657470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 1330560

約数和(自身を除く): 673090

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 139, 215, 278, 430, 473, 695, 946, 1390, 1529, 2365, 3058, 4730, 5977, 7645, 11954, 15290, 29885, 59770, 65747, 131494, 328735, 657470]

約数ペア:

[(1, 657470), (2, 328735), (5, 131494), (10, 65747), (11, 59770), (22, 29885), (43, 15290), (55, 11954), (86, 7645), (110, 5977), (139, 4730), (215, 3058), (278, 2365), (430, 1529), (473, 1390), (695, 946)]