201428860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 429863616

約数和(自身を除く): 228434756

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 277, 353, 412, 515, 554, 706, 1030, 1108, 1385, 1412, 1765, 2060, 2770, 3530, 5540, 7060, 28531, 36359, 57062, 72718, 97781, 114124, 142655, 145436, 181795, 195562, 285310, 363590, 391124, 488905, 570620, 727180, 977810, 1955620, 10071443, 20142886, 40285772, 50357215, 100714430, 201428860]

約数ペア:

[(1, 201428860), (2, 100714430), (4, 50357215), (5, 40285772), (10, 20142886), (20, 10071443), (103, 1955620), (206, 977810), (277, 727180), (353, 570620), (412, 488905), (515, 391124), (554, 363590), (706, 285310), (1030, 195562), (1108, 181795), (1385, 145436), (1412, 142655), (1765, 114124), (2060, 97781), (2770, 72718), (3530, 57062), (5540, 36359), (7060, 28531)]