220177540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3463}}^1$

素因数の和:3517

約数の個数: 72

約数和(自身を含む): 535977792

約数和(自身を除く): 315800252

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1445, 1870, 2890, 3179, 3463, 3740, 5780, 6358, 6926, 12716, 13852, 15895, 17315, 31790, 34630, 38093, 58871, 63580, 69260, 76186, 117742, 152372, 190465, 235484, 294355, 380930, 588710, 647581, 761860, 1000807, 1177420, 1295162, 2001614, 2590324, 3237905, 4003228, 5004035, 6475810, 10008070, 11008877, 12951620, 20016140, 22017754, 44035508, 55044385, 110088770, 220177540]

約数ペア:

[(1, 220177540), (2, 110088770), (4, 55044385), (5, 44035508), (10, 22017754), (11, 20016140), (17, 12951620), (20, 11008877), (22, 10008070), (34, 6475810), (44, 5004035), (55, 4003228), (68, 3237905), (85, 2590324), (110, 2001614), (170, 1295162), (187, 1177420), (220, 1000807), (289, 761860), (340, 647581), (374, 588710), (578, 380930), (748, 294355), (935, 235484), (1156, 190465), (1445, 152372), (1870, 117742), (2890, 76186), (3179, 69260), (3463, 63580), (3740, 58871), (5780, 38093), (6358, 34630), (6926, 31790), (12716, 17315), (13852, 15895)]