207821770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 429359616

約数和(自身を除く): 221537846

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 271, 347, 442, 542, 694, 1105, 1355, 1735, 2210, 2710, 3470, 3523, 4511, 4607, 5899, 7046, 9022, 9214, 11798, 17615, 22555, 23035, 29495, 35230, 45110, 46070, 58990, 59891, 76687, 94037, 119782, 153374, 188074, 299455, 383435, 470185, 598910, 766870, 940370, 1222481, 1598629, 2444962, 3197258, 6112405, 7993145, 12224810, 15986290, 20782177, 41564354, 103910885, 207821770]

約数ペア:

[(1, 207821770), (2, 103910885), (5, 41564354), (10, 20782177), (13, 15986290), (17, 12224810), (26, 7993145), (34, 6112405), (65, 3197258), (85, 2444962), (130, 1598629), (170, 1222481), (221, 940370), (271, 766870), (347, 598910), (442, 470185), (542, 383435), (694, 299455), (1105, 188074), (1355, 153374), (1735, 119782), (2210, 94037), (2710, 76687), (3470, 59891), (3523, 58990), (4511, 46070), (4607, 45110), (5899, 35230), (7046, 29495), (9022, 23035), (9214, 22555), (11798, 17615)]