389968300

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{37861}}^1$

素因数の和:37978

約数の個数: 36

約数和(自身を含む): 854469616

約数和(自身を除く): 464501316

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 37861, 75722, 151444, 189305, 378610, 757220, 946525, 1893050, 3786100, 3899683, 7799366, 15598732, 19498415, 38996830, 77993660, 97492075, 194984150, 389968300]

約数ペア:

[(1, 389968300), (2, 194984150), (4, 97492075), (5, 77993660), (10, 38996830), (20, 19498415), (25, 15598732), (50, 7799366), (100, 3899683), (103, 3786100), (206, 1893050), (412, 946525), (515, 757220), (1030, 378610), (2060, 189305), (2575, 151444), (5150, 75722), (10300, 37861)]