2521420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 5892768

約数和(自身を除く): 3371348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 157, 220, 292, 314, 365, 628, 730, 785, 803, 1460, 1570, 1606, 1727, 3140, 3212, 3454, 4015, 6908, 8030, 8635, 11461, 16060, 17270, 22922, 34540, 45844, 57305, 114610, 126071, 229220, 252142, 504284, 630355, 1260710, 2521420]

約数ペア:

[(1, 2521420), (2, 1260710), (4, 630355), (5, 504284), (10, 252142), (11, 229220), (20, 126071), (22, 114610), (44, 57305), (55, 45844), (73, 34540), (110, 22922), (146, 17270), (157, 16060), (220, 11461), (292, 8635), (314, 8030), (365, 6908), (628, 4015), (730, 3454), (785, 3212), (803, 3140), (1460, 1727), (1570, 1606)]