2506180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 5487300

約数和(自身を除く): 2981120

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 841, 1490, 1682, 2980, 3364, 4205, 4321, 8410, 8642, 16820, 17284, 21605, 43210, 86420, 125309, 250618, 501236, 626545, 1253090, 2506180]

約数ペア:

[(1, 2506180), (2, 1253090), (4, 626545), (5, 501236), (10, 250618), (20, 125309), (29, 86420), (58, 43210), (116, 21605), (145, 17284), (149, 16820), (290, 8642), (298, 8410), (580, 4321), (596, 4205), (745, 3364), (841, 2980), (1490, 1682)]