201817220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5843}}^1$

素因数の和:6020

約数の個数: 48

約数和(自身を含む): 465369408

約数和(自身を除く): 263552188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 5843, 6908, 8635, 11686, 17270, 23372, 29215, 34540, 58430, 64273, 116860, 128546, 257092, 321365, 642730, 917351, 1285460, 1834702, 3669404, 4586755, 9173510, 10090861, 18347020, 20181722, 40363444, 50454305, 100908610, 201817220]

約数ペア:

[(1, 201817220), (2, 100908610), (4, 50454305), (5, 40363444), (10, 20181722), (11, 18347020), (20, 10090861), (22, 9173510), (44, 4586755), (55, 3669404), (110, 1834702), (157, 1285460), (220, 917351), (314, 642730), (628, 321365), (785, 257092), (1570, 128546), (1727, 116860), (3140, 64273), (3454, 58430), (5843, 34540), (6908, 29215), (8635, 23372), (11686, 17270)]