87145940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8527}}^1$

素因数の和:8616

約数の個数: 48

約数和(自身を含む): 212040192

約数和(自身を除く): 124894252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8527, 10220, 17054, 34108, 42635, 59689, 85270, 119378, 170540, 238756, 298445, 596890, 622471, 1193780, 1244942, 2489884, 3112355, 4357297, 6224710, 8714594, 12449420, 17429188, 21786485, 43572970, 87145940]

約数ペア:

[(1, 87145940), (2, 43572970), (4, 21786485), (5, 17429188), (7, 12449420), (10, 8714594), (14, 6224710), (20, 4357297), (28, 3112355), (35, 2489884), (70, 1244942), (73, 1193780), (140, 622471), (146, 596890), (292, 298445), (365, 238756), (511, 170540), (730, 119378), (1022, 85270), (1460, 59689), (2044, 42635), (2555, 34108), (5110, 17054), (8527, 10220)]