2419340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 6338304

約数和(自身を除く): 3918964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1571, 3142, 6284, 7855, 10997, 15710, 17281, 21994, 31420, 34562, 43988, 54985, 69124, 86405, 109970, 120967, 172810, 219940, 241934, 345620, 483868, 604835, 1209670, 2419340]

約数ペア:

[(1, 2419340), (2, 1209670), (4, 604835), (5, 483868), (7, 345620), (10, 241934), (11, 219940), (14, 172810), (20, 120967), (22, 109970), (28, 86405), (35, 69124), (44, 54985), (55, 43988), (70, 34562), (77, 31420), (110, 21994), (140, 17281), (154, 15710), (220, 10997), (308, 7855), (385, 6284), (770, 3142), (1540, 1571)]