980717540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{108727}}^1$

素因数の和:108788

約数の個数: 48

約数和(自身を含む): 2301554304

約数和(自身を除く): 1320836764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 108727, 217454, 434908, 543635, 1087270, 1195997, 2174540, 2391994, 4457807, 4783988, 5979985, 8915614, 11959970, 17831228, 22289035, 23919940, 44578070, 49035877, 89156140, 98071754, 196143508, 245179385, 490358770, 980717540]

約数ペア:

[(1, 980717540), (2, 490358770), (4, 245179385), (5, 196143508), (10, 98071754), (11, 89156140), (20, 49035877), (22, 44578070), (41, 23919940), (44, 22289035), (55, 17831228), (82, 11959970), (110, 8915614), (164, 5979985), (205, 4783988), (220, 4457807), (410, 2391994), (451, 2174540), (820, 1195997), (902, 1087270), (1804, 543635), (2255, 434908), (4510, 217454), (9020, 108727)]