338250820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{10061}}^1$

素因数の和:10152

約数の個数: 36

約数和(自身を含む): 728146692

約数和(自身を除く): 389895872

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 6724, 8405, 10061, 16810, 20122, 33620, 40244, 50305, 100610, 201220, 412501, 825002, 1650004, 2062505, 4125010, 8250020, 16912541, 33825082, 67650164, 84562705, 169125410, 338250820]

約数ペア:

[(1, 338250820), (2, 169125410), (4, 84562705), (5, 67650164), (10, 33825082), (20, 16912541), (41, 8250020), (82, 4125010), (164, 2062505), (205, 1650004), (410, 825002), (820, 412501), (1681, 201220), (3362, 100610), (6724, 50305), (8405, 40244), (10061, 33620), (16810, 20122)]