879789020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{4931}}^1$

素因数の和:5762

約数の個数: 48

約数和(自身を含む): 2018411136

約数和(自身を除く): 1138622116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 811, 1622, 3244, 4055, 4931, 8110, 8921, 9862, 16220, 17842, 19724, 24655, 35684, 44605, 49310, 54241, 89210, 98620, 108482, 178420, 216964, 271205, 542410, 1084820, 3999041, 7998082, 15996164, 19995205, 39990410, 43989451, 79980820, 87978902, 175957804, 219947255, 439894510, 879789020]

約数ペア:

[(1, 879789020), (2, 439894510), (4, 219947255), (5, 175957804), (10, 87978902), (11, 79980820), (20, 43989451), (22, 39990410), (44, 19995205), (55, 15996164), (110, 7998082), (220, 3999041), (811, 1084820), (1622, 542410), (3244, 271205), (4055, 216964), (4931, 178420), (8110, 108482), (8921, 98620), (9862, 89210), (16220, 54241), (17842, 49310), (19724, 44605), (24655, 35684)]