84956140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{249871}}^1$

素因数の和:249897

約数の個数: 24

約数和(自身を含む): 188903232

約数和(自身を除く): 103947092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 249871, 499742, 999484, 1249355, 2498710, 4247807, 4997420, 8495614, 16991228, 21239035, 42478070, 84956140]

約数ペア:

[(1, 84956140), (2, 42478070), (4, 21239035), (5, 16991228), (10, 8495614), (17, 4997420), (20, 4247807), (34, 2498710), (68, 1249355), (85, 999484), (170, 499742), (340, 249871)]