550565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^2\times {\mathrm{331}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 1337620032

約数和(自身を除く): 787054492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 331, 436, 545, 662, 763, 1090, 1324, 1526, 1655, 2180, 2317, 3052, 3310, 3815, 4634, 6620, 7630, 9268, 11585, 11881, 15260, 23170, 23762, 36079, 46340, 47524, 59405, 72158, 83167, 118810, 144316, 166334, 180395, 237620, 252553, 332668, 360790, 415835, 505106, 721580, 831670, 1010212, 1262765, 1663340, 2525530, 3932611, 5051060, 7865222, 15730444, 19663055, 27528277, 39326110, 55056554, 78652220, 110113108, 137641385, 275282770, 550565540]

約数ペア:

[(1, 550565540), (2, 275282770), (4, 137641385), (5, 110113108), (7, 78652220), (10, 55056554), (14, 39326110), (20, 27528277), (28, 19663055), (35, 15730444), (70, 7865222), (109, 5051060), (140, 3932611), (218, 2525530), (331, 1663340), (436, 1262765), (545, 1010212), (662, 831670), (763, 721580), (1090, 505106), (1324, 415835), (1526, 360790), (1655, 332668), (2180, 252553), (2317, 237620), (3052, 180395), (3310, 166334), (3815, 144316), (4634, 118810), (6620, 83167), (7630, 72158), (9268, 59405), (11585, 47524), (11881, 46340), (15260, 36079), (23170, 23762)]