201439480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457817}}^1$

素因数の和:457839

約数の個数: 32

約数和(自身を含む): 494443440

約数和(自身を除く): 293003960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457817, 915634, 1831268, 2289085, 3662536, 4578170, 5035987, 9156340, 10071974, 18312680, 20143948, 25179935, 40287896, 50359870, 100719740, 201439480]

約数ペア:

[(1, 201439480), (2, 100719740), (4, 50359870), (5, 40287896), (8, 25179935), (10, 20143948), (11, 18312680), (20, 10071974), (22, 9156340), (40, 5035987), (44, 4578170), (55, 3662536), (88, 2289085), (110, 1831268), (220, 915634), (440, 457817)]