278703750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{5717}}^1$

素因数の和:5755

約数の個数: 80

約数和(自身を含む): 750247344

約数和(自身を除く): 471543594

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 625, 650, 750, 975, 1250, 1625, 1875, 1950, 3250, 3750, 4875, 5717, 8125, 9750, 11434, 16250, 17151, 24375, 28585, 34302, 48750, 57170, 74321, 85755, 142925, 148642, 171510, 222963, 285850, 371605, 428775, 445926, 714625, 743210, 857550, 1114815, 1429250, 1858025, 2143875, 2229630, 3573125, 3716050, 4287750, 5574075, 7146250, 9290125, 10719375, 11148150, 18580250, 21438750, 27870375, 46450625, 55740750, 92901250, 139351875, 278703750]

約数ペア:

[(1, 278703750), (2, 139351875), (3, 92901250), (5, 55740750), (6, 46450625), (10, 27870375), (13, 21438750), (15, 18580250), (25, 11148150), (26, 10719375), (30, 9290125), (39, 7146250), (50, 5574075), (65, 4287750), (75, 3716050), (78, 3573125), (125, 2229630), (130, 2143875), (150, 1858025), (195, 1429250), (250, 1114815), (325, 857550), (375, 743210), (390, 714625), (625, 445926), (650, 428775), (750, 371605), (975, 285850), (1250, 222963), (1625, 171510), (1875, 148642), (1950, 142925), (3250, 85755), (3750, 74321), (4875, 57170), (5717, 48750), (8125, 34302), (9750, 28585), (11434, 24375), (16250, 17151)]