655820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 1519392

約数和(自身を除く): 863572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 271, 484, 542, 605, 1084, 1210, 1355, 2420, 2710, 2981, 5420, 5962, 11924, 14905, 29810, 32791, 59620, 65582, 131164, 163955, 327910, 655820]

約数ペア:

[(1, 655820), (2, 327910), (4, 163955), (5, 131164), (10, 65582), (11, 59620), (20, 32791), (22, 29810), (44, 14905), (55, 11924), (110, 5962), (121, 5420), (220, 2981), (242, 2710), (271, 2420), (484, 1355), (542, 1210), (605, 1084)]