868913660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1\times {\mathrm{1231}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 1890725760

約数和(自身を除く): 1021812100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1217, 1231, 2434, 2462, 4868, 4924, 6085, 6155, 12170, 12310, 24340, 24620, 35293, 35699, 70586, 71398, 141172, 142796, 176465, 178495, 352930, 356990, 705860, 713980, 1498127, 2996254, 5992508, 7490635, 14981270, 29962540, 43445683, 86891366, 173782732, 217228415, 434456830, 868913660]

約数ペア:

[(1, 868913660), (2, 434456830), (4, 217228415), (5, 173782732), (10, 86891366), (20, 43445683), (29, 29962540), (58, 14981270), (116, 7490635), (145, 5992508), (290, 2996254), (580, 1498127), (1217, 713980), (1231, 705860), (2434, 356990), (2462, 352930), (4868, 178495), (4924, 176465), (6085, 142796), (6155, 141172), (12170, 71398), (12310, 70586), (24340, 35699), (24620, 35293)]