68511740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1303}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 157731840

約数和(自身を除く): 89220100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 1303, 2390, 2606, 2629, 4780, 5212, 5258, 6515, 10516, 13030, 13145, 14333, 26060, 26290, 28666, 52580, 57332, 71665, 143330, 286660, 311417, 622834, 1245668, 1557085, 3114170, 3425587, 6228340, 6851174, 13702348, 17127935, 34255870, 68511740]

約数ペア:

[(1, 68511740), (2, 34255870), (4, 17127935), (5, 13702348), (10, 6851174), (11, 6228340), (20, 3425587), (22, 3114170), (44, 1557085), (55, 1245668), (110, 622834), (220, 311417), (239, 286660), (478, 143330), (956, 71665), (1195, 57332), (1303, 52580), (2390, 28666), (2606, 26290), (2629, 26060), (4780, 14333), (5212, 13145), (5258, 13030), (6515, 10516)]