890488370

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1\times {\mathrm{1657}}^1$

素因数の和:2606

約数の個数: 32

約数和(自身を含む): 1631989296

約数和(自身を除く): 741500926

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 881, 1657, 1762, 3314, 4405, 8285, 8810, 16570, 53741, 101077, 107482, 202154, 268705, 505385, 537410, 1010770, 1459817, 2919634, 7299085, 14598170, 89048837, 178097674, 445244185, 890488370]

約数ペア:

[(1, 890488370), (2, 445244185), (5, 178097674), (10, 89048837), (61, 14598170), (122, 7299085), (305, 2919634), (610, 1459817), (881, 1010770), (1657, 537410), (1762, 505385), (3314, 268705), (4405, 202154), (8285, 107482), (8810, 101077), (16570, 53741)]