677403740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{4129}}^1$

素因数の和:4782

約数の個数: 48

約数和(自身を含む): 1534774080

約数和(自身を除く): 857370340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1262, 2524, 3155, 4129, 6310, 8203, 8258, 12620, 16406, 16516, 20645, 32812, 41015, 41290, 53677, 82030, 82580, 107354, 164060, 214708, 268385, 536770, 1073540, 2605399, 5210798, 10421596, 13026995, 26053990, 33870187, 52107980, 67740374, 135480748, 169350935, 338701870, 677403740]

約数ペア:

[(1, 677403740), (2, 338701870), (4, 169350935), (5, 135480748), (10, 67740374), (13, 52107980), (20, 33870187), (26, 26053990), (52, 13026995), (65, 10421596), (130, 5210798), (260, 2605399), (631, 1073540), (1262, 536770), (2524, 268385), (3155, 214708), (4129, 164060), (6310, 107354), (8203, 82580), (8258, 82030), (12620, 53677), (16406, 41290), (16516, 41015), (20645, 32812)]