40454990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1429}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 77220000

約数和(自身を除く): 36765010

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1429, 1490, 2831, 2858, 5662, 7145, 14155, 14290, 27151, 28310, 54302, 135755, 212921, 271510, 425842, 1064605, 2129210, 4045499, 8090998, 20227495, 40454990]

約数ペア:

[(1, 40454990), (2, 20227495), (5, 8090998), (10, 4045499), (19, 2129210), (38, 1064605), (95, 425842), (149, 271510), (190, 212921), (298, 135755), (745, 54302), (1429, 28310), (1490, 27151), (2831, 14290), (2858, 14155), (5662, 7145)]