88880420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3581}}^1$

素因数の和:3680

約数の個数: 48

約数和(自身を含む): 200391408

約数和(自身を除く): 111510988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 3581, 4964, 6205, 7162, 12410, 14324, 17905, 24820, 35810, 60877, 71620, 121754, 243508, 261413, 304385, 522826, 608770, 1045652, 1217540, 1307065, 2614130, 4444021, 5228260, 8888042, 17776084, 22220105, 44440210, 88880420]

約数ペア:

[(1, 88880420), (2, 44440210), (4, 22220105), (5, 17776084), (10, 8888042), (17, 5228260), (20, 4444021), (34, 2614130), (68, 1307065), (73, 1217540), (85, 1045652), (146, 608770), (170, 522826), (292, 304385), (340, 261413), (365, 243508), (730, 121754), (1241, 71620), (1460, 60877), (2482, 35810), (3581, 24820), (4964, 17905), (6205, 14324), (7162, 12410)]