89574940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 241315200

約数和(自身を除く): 151740260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 79, 89, 91, 98, 130, 140, 158, 178, 182, 196, 245, 260, 316, 356, 364, 395, 445, 455, 490, 553, 623, 637, 790, 890, 910, 980, 1027, 1106, 1157, 1246, 1274, 1580, 1780, 1820, 2054, 2212, 2314, 2492, 2548, 2765, 3115, 3185, 3871, 4108, 4361, 4628, 5135, 5530, 5785, 6230, 6370, 7031, 7189, 7742, 8099, 8722, 10270, 11060, 11570, 12460, 12740, 14062, 14378, 15484, 16198, 17444, 19355, 20540, 21805, 23140, 28124, 28756, 32396, 35155, 35945, 38710, 40495, 43610, 49217, 50323, 56693, 70310, 71890, 77420, 80990, 87220, 91403, 98434, 100646, 113386, 140620, 143780, 161980, 182806, 196868, 201292, 226772, 246085, 251615, 283465, 344519, 365612, 457015, 492170, 503230, 566930, 639821, 689038, 914030, 984340, 1006460, 1133860, 1279642, 1378076, 1722595, 1828060, 2559284, 3199105, 3445190, 4478747, 6398210, 6890380, 8957494, 12796420, 17914988, 22393735, 44787470, 89574940]

約数ペア:

[(1, 89574940), (2, 44787470), (4, 22393735), (5, 17914988), (7, 12796420), (10, 8957494), (13, 6890380), (14, 6398210), (20, 4478747), (26, 3445190), (28, 3199105), (35, 2559284), (49, 1828060), (52, 1722595), (65, 1378076), (70, 1279642), (79, 1133860), (89, 1006460), (91, 984340), (98, 914030), (130, 689038), (140, 639821), (158, 566930), (178, 503230), (182, 492170), (196, 457015), (245, 365612), (260, 344519), (316, 283465), (356, 251615), (364, 246085), (395, 226772), (445, 201292), (455, 196868), (490, 182806), (553, 161980), (623, 143780), (637, 140620), (790, 113386), (890, 100646), (910, 98434), (980, 91403), (1027, 87220), (1106, 80990), (1157, 77420), (1246, 71890), (1274, 70310), (1580, 56693), (1780, 50323), (1820, 49217), (2054, 43610), (2212, 40495), (2314, 38710), (2492, 35945), (2548, 35155), (2765, 32396), (3115, 28756), (3185, 28124), (3871, 23140), (4108, 21805), (4361, 20540), (4628, 19355), (5135, 17444), (5530, 16198), (5785, 15484), (6230, 14378), (6370, 14062), (7031, 12740), (7189, 12460), (7742, 11570), (8099, 11060), (8722, 10270)]