1310362220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{4391}}^1$

素因数の和:4790

約数の個数: 48

約数和(自身を含む): 2824512768

約数和(自身を除く): 1514150548

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 347, 430, 694, 860, 1388, 1735, 3470, 4391, 6940, 8782, 14921, 17564, 21955, 29842, 43910, 59684, 74605, 87820, 149210, 188813, 298420, 377626, 755252, 944065, 1523677, 1888130, 3047354, 3776260, 6094708, 7618385, 15236770, 30473540, 65518111, 131036222, 262072444, 327590555, 655181110, 1310362220]

約数ペア:

[(1, 1310362220), (2, 655181110), (4, 327590555), (5, 262072444), (10, 131036222), (20, 65518111), (43, 30473540), (86, 15236770), (172, 7618385), (215, 6094708), (347, 3776260), (430, 3047354), (694, 1888130), (860, 1523677), (1388, 944065), (1735, 755252), (3470, 377626), (4391, 298420), (6940, 188813), (8782, 149210), (14921, 87820), (17564, 74605), (21955, 59684), (29842, 43910)]