804535540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1429

約数の個数: 72

約数和(自身を含む): 1812638520

約数和(自身を除く): 1008102980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 289, 340, 436, 545, 578, 1090, 1156, 1277, 1445, 1853, 2180, 2554, 2890, 3706, 5108, 5780, 6385, 7412, 9265, 12770, 18530, 21709, 25540, 31501, 37060, 43418, 63002, 86836, 108545, 126004, 139193, 157505, 217090, 278386, 315010, 369053, 434180, 556772, 630020, 695965, 738106, 1391930, 1476212, 1845265, 2366281, 2783860, 3690530, 4732562, 7381060, 9465124, 11831405, 23662810, 40226777, 47325620, 80453554, 160907108, 201133885, 402267770, 804535540]

約数ペア:

[(1, 804535540), (2, 402267770), (4, 201133885), (5, 160907108), (10, 80453554), (17, 47325620), (20, 40226777), (34, 23662810), (68, 11831405), (85, 9465124), (109, 7381060), (170, 4732562), (218, 3690530), (289, 2783860), (340, 2366281), (436, 1845265), (545, 1476212), (578, 1391930), (1090, 738106), (1156, 695965), (1277, 630020), (1445, 556772), (1853, 434180), (2180, 369053), (2554, 315010), (2890, 278386), (3706, 217090), (5108, 157505), (5780, 139193), (6385, 126004), (7412, 108545), (9265, 86836), (12770, 63002), (18530, 43418), (21709, 37060), (25540, 31501)]