2470420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 5229000

約数和(自身を除く): 2758580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 829, 1490, 1658, 2980, 3316, 4145, 8290, 16580, 123521, 247042, 494084, 617605, 1235210, 2470420]

約数ペア:

[(1, 2470420), (2, 1235210), (4, 617605), (5, 494084), (10, 247042), (20, 123521), (149, 16580), (298, 8290), (596, 4145), (745, 3316), (829, 2980), (1490, 1658)]