28428680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101531}}^1$

素因数の和:101549

約数の個数: 32

約数和(自身を含む): 73103040

約数和(自身を除く): 44674360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101531, 203062, 406124, 507655, 710717, 812248, 1015310, 1421434, 2030620, 2842868, 3553585, 4061240, 5685736, 7107170, 14214340, 28428680]

約数ペア:

[(1, 28428680), (2, 14214340), (4, 7107170), (5, 5685736), (7, 4061240), (8, 3553585), (10, 2842868), (14, 2030620), (20, 1421434), (28, 1015310), (35, 812248), (40, 710717), (56, 507655), (70, 406124), (140, 203062), (280, 101531)]