118915640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 279797760

約数和(自身を除く): 160882120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1471, 1720, 1880, 2021, 2942, 4042, 5884, 7355, 8084, 10105, 11768, 14710, 16168, 20210, 29420, 40420, 58840, 63253, 69137, 80840, 126506, 138274, 253012, 276548, 316265, 345685, 506024, 553096, 632530, 691370, 1265060, 1382740, 2530120, 2765480, 2972891, 5945782, 11891564, 14864455, 23783128, 29728910, 59457820, 118915640]

約数ペア:

[(1, 118915640), (2, 59457820), (4, 29728910), (5, 23783128), (8, 14864455), (10, 11891564), (20, 5945782), (40, 2972891), (43, 2765480), (47, 2530120), (86, 1382740), (94, 1265060), (172, 691370), (188, 632530), (215, 553096), (235, 506024), (344, 345685), (376, 316265), (430, 276548), (470, 253012), (860, 138274), (940, 126506), (1471, 80840), (1720, 69137), (1880, 63253), (2021, 58840), (2942, 40420), (4042, 29420), (5884, 20210), (7355, 16168), (8084, 14710), (10105, 11768)]