40393900

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2711}}^1$

素因数の和:2874

約数の個数: 36

約数和(自身を含む): 88275600

約数和(自身を除く): 47881700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 2711, 2980, 3725, 5422, 7450, 10844, 13555, 14900, 27110, 54220, 67775, 135550, 271100, 403939, 807878, 1615756, 2019695, 4039390, 8078780, 10098475, 20196950, 40393900]

約数ペア:

[(1, 40393900), (2, 20196950), (4, 10098475), (5, 8078780), (10, 4039390), (20, 2019695), (25, 1615756), (50, 807878), (100, 403939), (149, 271100), (298, 135550), (596, 67775), (745, 54220), (1490, 27110), (2711, 14900), (2980, 13555), (3725, 10844), (5422, 7450)]