308889490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 743758848

約数和(自身を除く): 434869358

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 41, 65, 70, 82, 85, 91, 119, 130, 170, 182, 205, 221, 238, 287, 410, 442, 455, 487, 533, 574, 595, 697, 910, 974, 1066, 1105, 1190, 1394, 1435, 1547, 2210, 2435, 2665, 2870, 3094, 3409, 3485, 3731, 4870, 4879, 5330, 6331, 6818, 6970, 7462, 7735, 8279, 9061, 9758, 12662, 15470, 16558, 17045, 18122, 18655, 19967, 24395, 31655, 34090, 37310, 39934, 41395, 44317, 45305, 48790, 57953, 63310, 63427, 82790, 88634, 90610, 99835, 107627, 115906, 126854, 139769, 199670, 215254, 221585, 259571, 279538, 289765, 317135, 339439, 443170, 519142, 538135, 579530, 634270, 678878, 698845, 753389, 1076270, 1297855, 1397690, 1506778, 1697195, 1816997, 2376073, 2595710, 3394390, 3633994, 3766945, 4412707, 4752146, 7533890, 8825414, 9084985, 11880365, 18169970, 22063535, 23760730, 30888949, 44127070, 61777898, 154444745, 308889490]

約数ペア:

[(1, 308889490), (2, 154444745), (5, 61777898), (7, 44127070), (10, 30888949), (13, 23760730), (14, 22063535), (17, 18169970), (26, 11880365), (34, 9084985), (35, 8825414), (41, 7533890), (65, 4752146), (70, 4412707), (82, 3766945), (85, 3633994), (91, 3394390), (119, 2595710), (130, 2376073), (170, 1816997), (182, 1697195), (205, 1506778), (221, 1397690), (238, 1297855), (287, 1076270), (410, 753389), (442, 698845), (455, 678878), (487, 634270), (533, 579530), (574, 538135), (595, 519142), (697, 443170), (910, 339439), (974, 317135), (1066, 289765), (1105, 279538), (1190, 259571), (1394, 221585), (1435, 215254), (1547, 199670), (2210, 139769), (2435, 126854), (2665, 115906), (2870, 107627), (3094, 99835), (3409, 90610), (3485, 88634), (3731, 82790), (4870, 63427), (4879, 63310), (5330, 57953), (6331, 48790), (6818, 45305), (6970, 44317), (7462, 41395), (7735, 39934), (8279, 37310), (9061, 34090), (9758, 31655), (12662, 24395), (15470, 19967), (16558, 18655), (17045, 18122)]