891036740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{368197}}^1$

素因数の和:368228

約数の個数: 36

約数和(自身を含む): 2056754028

約数和(自身を除く): 1165717288

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 368197, 736394, 1472788, 1840985, 3681970, 4050167, 7363940, 8100334, 16200668, 20250835, 40501670, 44551837, 81003340, 89103674, 178207348, 222759185, 445518370, 891036740]

約数ペア:

[(1, 891036740), (2, 445518370), (4, 222759185), (5, 178207348), (10, 89103674), (11, 81003340), (20, 44551837), (22, 40501670), (44, 20250835), (55, 16200668), (110, 8100334), (121, 7363940), (220, 4050167), (242, 3681970), (484, 1840985), (605, 1472788), (1210, 736394), (2420, 368197)]