3903020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 9078048

約数和(自身を除く): 5175028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 157, 220, 226, 314, 452, 565, 628, 785, 1130, 1243, 1570, 1727, 2260, 2486, 3140, 3454, 4972, 6215, 6908, 8635, 12430, 17270, 17741, 24860, 34540, 35482, 70964, 88705, 177410, 195151, 354820, 390302, 780604, 975755, 1951510, 3903020]

約数ペア:

[(1, 3903020), (2, 1951510), (4, 975755), (5, 780604), (10, 390302), (11, 354820), (20, 195151), (22, 177410), (44, 88705), (55, 70964), (110, 35482), (113, 34540), (157, 24860), (220, 17741), (226, 17270), (314, 12430), (452, 8635), (565, 6908), (628, 6215), (785, 4972), (1130, 3454), (1243, 3140), (1570, 2486), (1727, 2260)]