2017009940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{4591}}^1$

素因数の和:6608

約数の個数: 48

約数和(自身を含む): 4624107264

約数和(自身を除く): 2607097324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1997, 3994, 4591, 7988, 9182, 9985, 18364, 19970, 21967, 22955, 39940, 43934, 45910, 50501, 87868, 91820, 101002, 109835, 202004, 219670, 252505, 439340, 505010, 1010020, 9168227, 18336454, 36672908, 45841135, 91682270, 100850497, 183364540, 201700994, 403401988, 504252485, 1008504970, 2017009940]

約数ペア:

[(1, 2017009940), (2, 1008504970), (4, 504252485), (5, 403401988), (10, 201700994), (11, 183364540), (20, 100850497), (22, 91682270), (44, 45841135), (55, 36672908), (110, 18336454), (220, 9168227), (1997, 1010020), (3994, 505010), (4591, 439340), (7988, 252505), (9182, 219670), (9985, 202004), (18364, 109835), (19970, 101002), (21967, 91820), (22955, 87868), (39940, 50501), (43934, 45910)]