173128820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2309}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 381870720

約数和(自身を除く): 208741900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 1630, 2309, 3260, 3749, 4618, 7498, 9236, 11545, 14996, 18745, 23090, 37490, 46180, 53107, 74980, 106214, 212428, 265535, 376367, 531070, 752734, 1062140, 1505468, 1881835, 3763670, 7527340, 8656441, 17312882, 34625764, 43282205, 86564410, 173128820]

約数ペア:

[(1, 173128820), (2, 86564410), (4, 43282205), (5, 34625764), (10, 17312882), (20, 8656441), (23, 7527340), (46, 3763670), (92, 1881835), (115, 1505468), (163, 1062140), (230, 752734), (326, 531070), (460, 376367), (652, 265535), (815, 212428), (1630, 106214), (2309, 74980), (3260, 53107), (3749, 46180), (4618, 37490), (7498, 23090), (9236, 18745), (11545, 14996)]