9004820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^2$

素因数の和:153

約数の個数: 54

約数和(自身を含む): 21131838

約数和(自身を除く): 12127018

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 605, 610, 671, 1210, 1220, 1342, 2420, 2684, 3355, 3721, 6710, 7381, 7442, 13420, 14762, 14884, 18605, 29524, 36905, 37210, 40931, 73810, 74420, 81862, 147620, 163724, 204655, 409310, 450241, 818620, 900482, 1800964, 2251205, 4502410, 9004820]

約数ペア:

[(1, 9004820), (2, 4502410), (4, 2251205), (5, 1800964), (10, 900482), (11, 818620), (20, 450241), (22, 409310), (44, 204655), (55, 163724), (61, 147620), (110, 81862), (121, 74420), (122, 73810), (220, 40931), (242, 37210), (244, 36905), (305, 29524), (484, 18605), (605, 14884), (610, 14762), (671, 13420), (1210, 7442), (1220, 7381), (1342, 6710), (2420, 3721), (2684, 3355)]