258450920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 256

約数和(自身を含む): 781401600

約数和(自身を除く): 522950680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 40, 52, 56, 65, 70, 74, 76, 91, 95, 101, 104, 130, 133, 140, 148, 152, 182, 185, 190, 202, 247, 259, 260, 266, 280, 296, 364, 370, 380, 404, 455, 481, 494, 505, 518, 520, 532, 665, 703, 707, 728, 740, 760, 808, 910, 962, 988, 1010, 1036, 1064, 1235, 1295, 1313, 1330, 1406, 1414, 1480, 1729, 1820, 1919, 1924, 1976, 2020, 2072, 2405, 2470, 2590, 2626, 2660, 2812, 2828, 3367, 3458, 3515, 3535, 3640, 3737, 3838, 3848, 4040, 4810, 4921, 4940, 5180, 5252, 5320, 5624, 5656, 6565, 6734, 6916, 7030, 7070, 7474, 7676, 8645, 9139, 9191, 9595, 9620, 9842, 9880, 10360, 10504, 13130, 13433, 13468, 13832, 14060, 14140, 14948, 15352, 16835, 17290, 18278, 18382, 18685, 19190, 19240, 19684, 24605, 24947, 26159, 26260, 26866, 26936, 28120, 28280, 29896, 33670, 34580, 36556, 36764, 37370, 38380, 39368, 45695, 45955, 48581, 49210, 49894, 52318, 52520, 53732, 63973, 67165, 67340, 69160, 71003, 73112, 73528, 74740, 76760, 91390, 91910, 97162, 98420, 99788, 104636, 107464, 124735, 127946, 130795, 134330, 134680, 142006, 149480, 174629, 182780, 183820, 194324, 196840, 199576, 209272, 242905, 249470, 255892, 261590, 268660, 284012, 319865, 340067, 349258, 355015, 365560, 367640, 388648, 485810, 497021, 498940, 511784, 523180, 537320, 568024, 639730, 680134, 698516, 710030, 873145, 923039, 971620, 994042, 997880, 1046360, 1279460, 1360268, 1397032, 1420060, 1700335, 1746290, 1846078, 1943240, 1988084, 2485105, 2558920, 2720536, 2840120, 3400670, 3492580, 3692156, 3976168, 4615195, 4970210, 6461273, 6801340, 6985160, 7384312, 9230390, 9940420, 12922546, 13602680, 18460780, 19880840, 25845092, 32306365, 36921560, 51690184, 64612730, 129225460, 258450920]

約数ペア:

[(1, 258450920), (2, 129225460), (4, 64612730), (5, 51690184), (7, 36921560), (8, 32306365), (10, 25845092), (13, 19880840), (14, 18460780), (19, 13602680), (20, 12922546), (26, 9940420), (28, 9230390), (35, 7384312), (37, 6985160), (38, 6801340), (40, 6461273), (52, 4970210), (56, 4615195), (65, 3976168), (70, 3692156), (74, 3492580), (76, 3400670), (91, 2840120), (95, 2720536), (101, 2558920), (104, 2485105), (130, 1988084), (133, 1943240), (140, 1846078), (148, 1746290), (152, 1700335), (182, 1420060), (185, 1397032), (190, 1360268), (202, 1279460), (247, 1046360), (259, 997880), (260, 994042), (266, 971620), (280, 923039), (296, 873145), (364, 710030), (370, 698516), (380, 680134), (404, 639730), (455, 568024), (481, 537320), (494, 523180), (505, 511784), (518, 498940), (520, 497021), (532, 485810), (665, 388648), (703, 367640), (707, 365560), (728, 355015), (740, 349258), (760, 340067), (808, 319865), (910, 284012), (962, 268660), (988, 261590), (1010, 255892), (1036, 249470), (1064, 242905), (1235, 209272), (1295, 199576), (1313, 196840), (1330, 194324), (1406, 183820), (1414, 182780), (1480, 174629), (1729, 149480), (1820, 142006), (1919, 134680), (1924, 134330), (1976, 130795), (2020, 127946), (2072, 124735), (2405, 107464), (2470, 104636), (2590, 99788), (2626, 98420), (2660, 97162), (2812, 91910), (2828, 91390), (3367, 76760), (3458, 74740), (3515, 73528), (3535, 73112), (3640, 71003), (3737, 69160), (3838, 67340), (3848, 67165), (4040, 63973), (4810, 53732), (4921, 52520), (4940, 52318), (5180, 49894), (5252, 49210), (5320, 48581), (5624, 45955), (5656, 45695), (6565, 39368), (6734, 38380), (6916, 37370), (7030, 36764), (7070, 36556), (7474, 34580), (7676, 33670), (8645, 29896), (9139, 28280), (9191, 28120), (9595, 26936), (9620, 26866), (9842, 26260), (9880, 26159), (10360, 24947), (10504, 24605), (13130, 19684), (13433, 19240), (13468, 19190), (13832, 18685), (14060, 18382), (14140, 18278), (14948, 17290), (15352, 16835)]