489701900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{80279}}^1$

素因数の和:80354

約数の個数: 36

約数和(自身を含む): 1080087120

約数和(自身を除く): 590385220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 80279, 160558, 321116, 401395, 802790, 1605580, 2006975, 4013950, 4897019, 8027900, 9794038, 19588076, 24485095, 48970190, 97940380, 122425475, 244850950, 489701900]

約数ペア:

[(1, 489701900), (2, 244850950), (4, 122425475), (5, 97940380), (10, 48970190), (20, 24485095), (25, 19588076), (50, 9794038), (61, 8027900), (100, 4897019), (122, 4013950), (244, 2006975), (305, 1605580), (610, 802790), (1220, 401395), (1525, 321116), (3050, 160558), (6100, 80279)]