391550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 24

約数和(自身を含む): 749952

約数和(自身を除く): 358402

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 191, 205, 382, 410, 955, 1025, 1910, 2050, 4775, 7831, 9550, 15662, 39155, 78310, 195775, 391550]

約数ペア:

[(1, 391550), (2, 195775), (5, 78310), (10, 39155), (25, 15662), (41, 9550), (50, 7831), (82, 4775), (191, 2050), (205, 1910), (382, 1025), (410, 955)]