138898540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631357}}^1$

素因数の和:631377

約数の個数: 24

約数和(自身を含む): 318204432

約数和(自身を除く): 179305892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 631357, 1262714, 2525428, 3156785, 6313570, 6944927, 12627140, 13889854, 27779708, 34724635, 69449270, 138898540]

約数ペア:

[(1, 138898540), (2, 69449270), (4, 34724635), (5, 27779708), (10, 13889854), (11, 12627140), (20, 6944927), (22, 6313570), (44, 3156785), (55, 2525428), (110, 1262714), (220, 631357)]