70380140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21589}}^1$

素因数の和:21761

約数の個数: 24

約数和(自身を含む): 148711920

約数和(自身を除く): 78331780

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 21589, 43178, 86356, 107945, 215890, 431780, 3519007, 7038014, 14076028, 17595035, 35190070, 70380140]

約数ペア:

[(1, 70380140), (2, 35190070), (4, 17595035), (5, 14076028), (10, 7038014), (20, 3519007), (163, 431780), (326, 215890), (652, 107945), (815, 86356), (1630, 43178), (3260, 21589)]