184672820

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 394762368

約数和(自身を除く): 210089548

約数列:

[1, 2, 4, 5, 10, 20, 103, 157, 206, 314, 412, 515, 571, 628, 785, 1030, 1142, 1570, 2060, 2284, 2855, 3140, 5710, 11420, 16171, 32342, 58813, 64684, 80855, 89647, 117626, 161710, 179294, 235252, 294065, 323420, 358588, 448235, 588130, 896470, 1176260, 1792940, 9233641, 18467282, 36934564, 46168205, 92336410, 184672820]

約数ペア:

[(1, 184672820), (2, 92336410), (4, 46168205), (5, 36934564), (10, 18467282), (20, 9233641), (103, 1792940), (157, 1176260), (206, 896470), (314, 588130), (412, 448235), (515, 358588), (571, 323420), (628, 294065), (785, 235252), (1030, 179294), (1142, 161710), (1570, 117626), (2060, 89647), (2284, 80855), (2855, 64684), (3140, 58813), (5710, 32342), (11420, 16171)]