1890100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:516

約数の個数: 36

約数和(自身を含む): 4210668

約数和(自身を除く): 2320568

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 461, 820, 922, 1025, 1844, 2050, 2305, 4100, 4610, 9220, 11525, 18901, 23050, 37802, 46100, 75604, 94505, 189010, 378020, 472525, 945050, 1890100]

約数ペア:

[(1, 1890100), (2, 945050), (4, 472525), (5, 378020), (10, 189010), (20, 94505), (25, 75604), (41, 46100), (50, 37802), (82, 23050), (100, 18901), (164, 11525), (205, 9220), (410, 4610), (461, 4100), (820, 2305), (922, 2050), (1025, 1844)]