2891749360

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{1181}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 6810135552

約数和(自身を除く): 3918386192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 241, 254, 482, 508, 635, 964, 1016, 1181, 1205, 1270, 1928, 2032, 2362, 2410, 2540, 3856, 4724, 4820, 5080, 5905, 9448, 9640, 10160, 11810, 18896, 19280, 23620, 30607, 47240, 61214, 94480, 122428, 149987, 153035, 244856, 284621, 299974, 306070, 489712, 569242, 599948, 612140, 749935, 1138484, 1199896, 1224280, 1423105, 1499870, 2276968, 2399792, 2448560, 2846210, 2999740, 4553936, 5692420, 5999480, 11384840, 11998960, 22769680, 36146867, 72293734, 144587468, 180734335, 289174936, 361468670, 578349872, 722937340, 1445874680, 2891749360]

約数ペア:

[(1, 2891749360), (2, 1445874680), (4, 722937340), (5, 578349872), (8, 361468670), (10, 289174936), (16, 180734335), (20, 144587468), (40, 72293734), (80, 36146867), (127, 22769680), (241, 11998960), (254, 11384840), (482, 5999480), (508, 5692420), (635, 4553936), (964, 2999740), (1016, 2846210), (1181, 2448560), (1205, 2399792), (1270, 2276968), (1928, 1499870), (2032, 1423105), (2362, 1224280), (2410, 1199896), (2540, 1138484), (3856, 749935), (4724, 612140), (4820, 599948), (5080, 569242), (5905, 489712), (9448, 306070), (9640, 299974), (10160, 284621), (11810, 244856), (18896, 153035), (19280, 149987), (23620, 122428), (30607, 94480), (47240, 61214)]