84623060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 181818000

約数和(自身を除く): 97194940

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 292, 298, 365, 389, 596, 730, 745, 778, 1460, 1490, 1556, 1945, 2980, 3890, 7780, 10877, 21754, 28397, 43508, 54385, 56794, 57961, 108770, 113588, 115922, 141985, 217540, 231844, 283970, 289805, 567940, 579610, 1159220, 4231153, 8462306, 16924612, 21155765, 42311530, 84623060]

約数ペア:

[(1, 84623060), (2, 42311530), (4, 21155765), (5, 16924612), (10, 8462306), (20, 4231153), (73, 1159220), (146, 579610), (149, 567940), (292, 289805), (298, 283970), (365, 231844), (389, 217540), (596, 141985), (730, 115922), (745, 113588), (778, 108770), (1460, 57961), (1490, 56794), (1556, 54385), (1945, 43508), (2980, 28397), (3890, 21754), (7780, 10877)]