129177750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{13249}}^1$

素因数の和:13282

約数の個数: 64

約数和(自身を含む): 347256000

約数和(自身を除く): 218078250

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, 650, 750, 975, 1625, 1950, 3250, 4875, 9750, 13249, 26498, 39747, 66245, 79494, 132490, 172237, 198735, 331225, 344474, 397470, 516711, 662450, 861185, 993675, 1033422, 1656125, 1722370, 1987350, 2583555, 3312250, 4305925, 4968375, 5167110, 8611850, 9936750, 12917775, 21529625, 25835550, 43059250, 64588875, 129177750]

約数ペア:

[(1, 129177750), (2, 64588875), (3, 43059250), (5, 25835550), (6, 21529625), (10, 12917775), (13, 9936750), (15, 8611850), (25, 5167110), (26, 4968375), (30, 4305925), (39, 3312250), (50, 2583555), (65, 1987350), (75, 1722370), (78, 1656125), (125, 1033422), (130, 993675), (150, 861185), (195, 662450), (250, 516711), (325, 397470), (375, 344474), (390, 331225), (650, 198735), (750, 172237), (975, 132490), (1625, 79494), (1950, 66245), (3250, 39747), (4875, 26498), (9750, 13249)]