90506920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:843

約数の個数: 96

約数和(自身を含む): 241089480

約数和(自身を除く): 150582560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 610, 757, 854, 980, 1220, 1514, 1708, 1960, 2135, 2440, 2989, 3028, 3416, 3785, 4270, 5299, 5978, 6056, 7570, 8540, 10598, 11956, 14945, 15140, 17080, 21196, 23912, 26495, 29890, 30280, 37093, 42392, 46177, 52990, 59780, 74186, 92354, 105980, 119560, 148372, 184708, 185465, 211960, 230885, 296744, 323239, 369416, 370930, 461770, 646478, 741860, 923540, 1292956, 1483720, 1616195, 1847080, 2262673, 2585912, 3232390, 4525346, 6464780, 9050692, 11313365, 12929560, 18101384, 22626730, 45253460, 90506920]

約数ペア:

[(1, 90506920), (2, 45253460), (4, 22626730), (5, 18101384), (7, 12929560), (8, 11313365), (10, 9050692), (14, 6464780), (20, 4525346), (28, 3232390), (35, 2585912), (40, 2262673), (49, 1847080), (56, 1616195), (61, 1483720), (70, 1292956), (98, 923540), (122, 741860), (140, 646478), (196, 461770), (244, 370930), (245, 369416), (280, 323239), (305, 296744), (392, 230885), (427, 211960), (488, 185465), (490, 184708), (610, 148372), (757, 119560), (854, 105980), (980, 92354), (1220, 74186), (1514, 59780), (1708, 52990), (1960, 46177), (2135, 42392), (2440, 37093), (2989, 30280), (3028, 29890), (3416, 26495), (3785, 23912), (4270, 21196), (5299, 17080), (5978, 15140), (6056, 14945), (7570, 11956), (8540, 10598)]