259237820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 552611808

約数和(自身を除く): 293373988

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 251, 452, 457, 502, 565, 914, 1004, 1130, 1255, 1828, 2260, 2285, 2510, 4570, 5020, 9140, 28363, 51641, 56726, 103282, 113452, 114707, 141815, 206564, 229414, 258205, 283630, 458828, 516410, 567260, 573535, 1032820, 1147070, 2294140, 12961891, 25923782, 51847564, 64809455, 129618910, 259237820]

約数ペア:

[(1, 259237820), (2, 129618910), (4, 64809455), (5, 51847564), (10, 25923782), (20, 12961891), (113, 2294140), (226, 1147070), (251, 1032820), (452, 573535), (457, 567260), (502, 516410), (565, 458828), (914, 283630), (1004, 258205), (1130, 229414), (1255, 206564), (1828, 141815), (2260, 114707), (2285, 113452), (2510, 103282), (4570, 56726), (5020, 51641), (9140, 28363)]