17771780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2357}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 41595120

約数和(自身を除く): 23823340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2357, 3770, 4714, 7540, 9428, 11785, 23570, 30641, 47140, 61282, 68353, 122564, 136706, 153205, 273412, 306410, 341765, 612820, 683530, 888589, 1367060, 1777178, 3554356, 4442945, 8885890, 17771780]

約数ペア:

[(1, 17771780), (2, 8885890), (4, 4442945), (5, 3554356), (10, 1777178), (13, 1367060), (20, 888589), (26, 683530), (29, 612820), (52, 341765), (58, 306410), (65, 273412), (116, 153205), (130, 136706), (145, 122564), (260, 68353), (290, 61282), (377, 47140), (580, 30641), (754, 23570), (1508, 11785), (1885, 9428), (2357, 7540), (3770, 4714)]