220788040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21817}}^1$

素因数の和:21862

約数の個数: 64

約数和(自身を含む): 565522560

約数和(自身を除く): 344734520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 21817, 43634, 87268, 109085, 174536, 218170, 239987, 436340, 479974, 501791, 872680, 959948, 1003582, 1199935, 1919896, 2007164, 2399870, 2508955, 4014328, 4799740, 5017910, 5519701, 9599480, 10035820, 11039402, 20071640, 22078804, 27598505, 44157608, 55197010, 110394020, 220788040]

約数ペア:

[(1, 220788040), (2, 110394020), (4, 55197010), (5, 44157608), (8, 27598505), (10, 22078804), (11, 20071640), (20, 11039402), (22, 10035820), (23, 9599480), (40, 5519701), (44, 5017910), (46, 4799740), (55, 4014328), (88, 2508955), (92, 2399870), (110, 2007164), (115, 1919896), (184, 1199935), (220, 1003582), (230, 959948), (253, 872680), (440, 501791), (460, 479974), (506, 436340), (920, 239987), (1012, 218170), (1265, 174536), (2024, 109085), (2530, 87268), (5060, 43634), (10120, 21817)]