201381830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 416078208

約数和(自身を除く): 214696378

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 293, 311, 442, 586, 622, 1105, 1465, 1555, 2210, 2930, 3110, 3809, 4043, 4981, 5287, 7618, 8086, 9962, 10574, 19045, 20215, 24905, 26435, 38090, 40430, 49810, 52870, 64753, 68731, 91123, 129506, 137462, 182246, 323765, 343655, 455615, 647530, 687310, 911230, 1184599, 1549091, 2369198, 3098182, 5922995, 7745455, 11845990, 15490910, 20138183, 40276366, 100690915, 201381830]

約数ペア:

[(1, 201381830), (2, 100690915), (5, 40276366), (10, 20138183), (13, 15490910), (17, 11845990), (26, 7745455), (34, 5922995), (65, 3098182), (85, 2369198), (130, 1549091), (170, 1184599), (221, 911230), (293, 687310), (311, 647530), (442, 455615), (586, 343655), (622, 323765), (1105, 182246), (1465, 137462), (1555, 129506), (2210, 91123), (2930, 68731), (3110, 64753), (3809, 52870), (4043, 49810), (4981, 40430), (5287, 38090), (7618, 26435), (8086, 24905), (9962, 20215), (10574, 19045)]