189809620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:558

約数の個数: 192

約数和(自身を含む): 564480000

約数和(自身を除く): 374670380

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 52, 55, 65, 70, 76, 77, 91, 95, 110, 130, 133, 140, 143, 154, 182, 190, 209, 220, 247, 260, 266, 286, 308, 364, 380, 385, 418, 455, 494, 499, 532, 572, 665, 715, 770, 836, 910, 988, 998, 1001, 1045, 1235, 1330, 1430, 1463, 1540, 1729, 1820, 1996, 2002, 2090, 2470, 2495, 2660, 2717, 2860, 2926, 3458, 3493, 4004, 4180, 4940, 4990, 5005, 5434, 5489, 5852, 6487, 6916, 6986, 7315, 8645, 9481, 9980, 10010, 10868, 10978, 12974, 13585, 13972, 14630, 17290, 17465, 18962, 19019, 20020, 21956, 25948, 27170, 27445, 29260, 32435, 34580, 34930, 37924, 38038, 38423, 45409, 47405, 54340, 54890, 64870, 66367, 69860, 71357, 76076, 76846, 90818, 94810, 95095, 104291, 109780, 123253, 129740, 132734, 142714, 153692, 181636, 189620, 190190, 192115, 208582, 227045, 246506, 265468, 285428, 331835, 356785, 380380, 384230, 417164, 454090, 493012, 499499, 521455, 616265, 663670, 713570, 730037, 768460, 862771, 908180, 998998, 1042910, 1232530, 1327340, 1355783, 1427140, 1460074, 1725542, 1997996, 2085820, 2465060, 2497495, 2711566, 2920148, 3451084, 3650185, 4313855, 4994990, 5423132, 6778915, 7300370, 8627710, 9490481, 9989980, 13557830, 14600740, 17255420, 18980962, 27115660, 37961924, 47452405, 94904810, 189809620]

約数ペア:

[(1, 189809620), (2, 94904810), (4, 47452405), (5, 37961924), (7, 27115660), (10, 18980962), (11, 17255420), (13, 14600740), (14, 13557830), (19, 9989980), (20, 9490481), (22, 8627710), (26, 7300370), (28, 6778915), (35, 5423132), (38, 4994990), (44, 4313855), (52, 3650185), (55, 3451084), (65, 2920148), (70, 2711566), (76, 2497495), (77, 2465060), (91, 2085820), (95, 1997996), (110, 1725542), (130, 1460074), (133, 1427140), (140, 1355783), (143, 1327340), (154, 1232530), (182, 1042910), (190, 998998), (209, 908180), (220, 862771), (247, 768460), (260, 730037), (266, 713570), (286, 663670), (308, 616265), (364, 521455), (380, 499499), (385, 493012), (418, 454090), (455, 417164), (494, 384230), (499, 380380), (532, 356785), (572, 331835), (665, 285428), (715, 265468), (770, 246506), (836, 227045), (910, 208582), (988, 192115), (998, 190190), (1001, 189620), (1045, 181636), (1235, 153692), (1330, 142714), (1430, 132734), (1463, 129740), (1540, 123253), (1729, 109780), (1820, 104291), (1996, 95095), (2002, 94810), (2090, 90818), (2470, 76846), (2495, 76076), (2660, 71357), (2717, 69860), (2860, 66367), (2926, 64870), (3458, 54890), (3493, 54340), (4004, 47405), (4180, 45409), (4940, 38423), (4990, 38038), (5005, 37924), (5434, 34930), (5489, 34580), (5852, 32435), (6487, 29260), (6916, 27445), (6986, 27170), (7315, 25948), (8645, 21956), (9481, 20020), (9980, 19019), (10010, 18962), (10868, 17465), (10978, 17290), (12974, 14630), (13585, 13972)]