633995060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{1009}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 1351501200

約数和(自身を除く): 717506140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 353, 356, 445, 706, 890, 1009, 1412, 1765, 1780, 2018, 3530, 4036, 5045, 7060, 10090, 20180, 31417, 62834, 89801, 125668, 157085, 179602, 314170, 356177, 359204, 449005, 628340, 712354, 898010, 1424708, 1780885, 1796020, 3561770, 7123540, 31699753, 63399506, 126799012, 158498765, 316997530, 633995060]

約数ペア:

[(1, 633995060), (2, 316997530), (4, 158498765), (5, 126799012), (10, 63399506), (20, 31699753), (89, 7123540), (178, 3561770), (353, 1796020), (356, 1780885), (445, 1424708), (706, 898010), (890, 712354), (1009, 628340), (1412, 449005), (1765, 359204), (1780, 356177), (2018, 314170), (3530, 179602), (4036, 157085), (5045, 125668), (7060, 89801), (10090, 62834), (20180, 31417)]