1989194220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 288

約数和(自身を含む): 6817789440

約数和(自身を除く): 4828595220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 71, 78, 90, 108, 117, 130, 135, 142, 156, 169, 180, 195, 213, 234, 260, 270, 284, 307, 338, 351, 355, 390, 426, 468, 507, 540, 585, 614, 639, 676, 702, 710, 780, 845, 852, 921, 923, 1014, 1065, 1170, 1228, 1278, 1404, 1420, 1521, 1535, 1690, 1755, 1842, 1846, 1917, 2028, 2130, 2340, 2535, 2556, 2763, 2769, 3042, 3070, 3195, 3380, 3510, 3684, 3692, 3834, 3991, 4260, 4563, 4605, 4615, 5070, 5526, 5538, 6084, 6140, 6390, 7020, 7605, 7668, 7982, 8289, 8307, 9126, 9210, 9230, 9585, 10140, 11052, 11076, 11973, 11999, 12780, 13815, 13845, 15210, 15964, 16578, 16614, 18252, 18420, 18460, 19170, 19955, 21797, 22815, 23946, 23998, 24921, 27630, 27690, 30420, 33156, 33228, 35919, 35997, 38340, 39910, 41445, 41535, 43594, 45630, 47892, 47996, 49842, 51883, 55260, 55380, 59865, 59995, 65391, 71838, 71994, 79820, 82890, 83070, 87188, 91260, 99684, 103766, 107757, 107991, 108985, 119730, 119990, 124605, 130782, 143676, 143988, 155649, 165780, 166140, 179595, 179985, 196173, 207532, 215514, 215982, 217970, 239460, 239980, 249210, 259415, 261564, 283361, 311298, 323973, 326955, 359190, 359970, 392346, 431028, 431964, 435940, 466947, 498420, 518830, 538785, 539955, 566722, 588519, 622596, 647946, 653910, 718380, 719940, 778245, 784692, 850083, 933894, 980865, 1037660, 1077570, 1079910, 1133444, 1177038, 1295892, 1307820, 1400841, 1416805, 1556490, 1619865, 1700166, 1867788, 1961730, 2155140, 2159820, 2334735, 2354076, 2550249, 2801682, 2833610, 2942595, 3112980, 3239730, 3400332, 3683693, 3923460, 4250415, 4669470, 5100498, 5603364, 5667220, 5885190, 6479460, 7004205, 7367386, 7650747, 8500830, 9338940, 10200996, 11051079, 11770380, 12751245, 14008410, 14734772, 15301494, 17001660, 18418465, 22102158, 25502490, 28016820, 30602988, 33153237, 36836930, 38253735, 44204316, 51004980, 55255395, 66306474, 73673860, 76507470, 99459711, 110510790, 132612948, 153014940, 165766185, 198919422, 221021580, 331532370, 397838844, 497298555, 663064740, 994597110, 1989194220]

約数ペア:

[(1, 1989194220), (2, 994597110), (3, 663064740), (4, 497298555), (5, 397838844), (6, 331532370), (9, 221021580), (10, 198919422), (12, 165766185), (13, 153014940), (15, 132612948), (18, 110510790), (20, 99459711), (26, 76507470), (27, 73673860), (30, 66306474), (36, 55255395), (39, 51004980), (45, 44204316), (52, 38253735), (54, 36836930), (60, 33153237), (65, 30602988), (71, 28016820), (78, 25502490), (90, 22102158), (108, 18418465), (117, 17001660), (130, 15301494), (135, 14734772), (142, 14008410), (156, 12751245), (169, 11770380), (180, 11051079), (195, 10200996), (213, 9338940), (234, 8500830), (260, 7650747), (270, 7367386), (284, 7004205), (307, 6479460), (338, 5885190), (351, 5667220), (355, 5603364), (390, 5100498), (426, 4669470), (468, 4250415), (507, 3923460), (540, 3683693), (585, 3400332), (614, 3239730), (639, 3112980), (676, 2942595), (702, 2833610), (710, 2801682), (780, 2550249), (845, 2354076), (852, 2334735), (921, 2159820), (923, 2155140), (1014, 1961730), (1065, 1867788), (1170, 1700166), (1228, 1619865), (1278, 1556490), (1404, 1416805), (1420, 1400841), (1521, 1307820), (1535, 1295892), (1690, 1177038), (1755, 1133444), (1842, 1079910), (1846, 1077570), (1917, 1037660), (2028, 980865), (2130, 933894), (2340, 850083), (2535, 784692), (2556, 778245), (2763, 719940), (2769, 718380), (3042, 653910), (3070, 647946), (3195, 622596), (3380, 588519), (3510, 566722), (3684, 539955), (3692, 538785), (3834, 518830), (3991, 498420), (4260, 466947), (4563, 435940), (4605, 431964), (4615, 431028), (5070, 392346), (5526, 359970), (5538, 359190), (6084, 326955), (6140, 323973), (6390, 311298), (7020, 283361), (7605, 261564), (7668, 259415), (7982, 249210), (8289, 239980), (8307, 239460), (9126, 217970), (9210, 215982), (9230, 215514), (9585, 207532), (10140, 196173), (11052, 179985), (11076, 179595), (11973, 166140), (11999, 165780), (12780, 155649), (13815, 143988), (13845, 143676), (15210, 130782), (15964, 124605), (16578, 119990), (16614, 119730), (18252, 108985), (18420, 107991), (18460, 107757), (19170, 103766), (19955, 99684), (21797, 91260), (22815, 87188), (23946, 83070), (23998, 82890), (24921, 79820), (27630, 71994), (27690, 71838), (30420, 65391), (33156, 59995), (33228, 59865), (35919, 55380), (35997, 55260), (38340, 51883), (39910, 49842), (41445, 47996), (41535, 47892), (43594, 45630)]