68867740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 150200064

約数和(自身を除く): 81332324

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 277, 310, 401, 554, 620, 802, 1108, 1385, 1604, 2005, 2770, 4010, 5540, 8020, 8587, 12431, 17174, 24862, 34348, 42935, 49724, 62155, 85870, 111077, 124310, 171740, 222154, 248620, 444308, 555385, 1110770, 2221540, 3443387, 6886774, 13773548, 17216935, 34433870, 68867740]

約数ペア:

[(1, 68867740), (2, 34433870), (4, 17216935), (5, 13773548), (10, 6886774), (20, 3443387), (31, 2221540), (62, 1110770), (124, 555385), (155, 444308), (277, 248620), (310, 222154), (401, 171740), (554, 124310), (620, 111077), (802, 85870), (1108, 62155), (1385, 49724), (1604, 42935), (2005, 34348), (2770, 24862), (4010, 17174), (5540, 12431), (8020, 8587)]