2186140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 5281920

約数和(自身を除く): 3095780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 523, 836, 1045, 1046, 2090, 2092, 2615, 4180, 5230, 5753, 9937, 10460, 11506, 19874, 23012, 28765, 39748, 49685, 57530, 99370, 109307, 115060, 198740, 218614, 437228, 546535, 1093070, 2186140]

約数ペア:

[(1, 2186140), (2, 1093070), (4, 546535), (5, 437228), (10, 218614), (11, 198740), (19, 115060), (20, 109307), (22, 99370), (38, 57530), (44, 49685), (55, 39748), (76, 28765), (95, 23012), (110, 19874), (190, 11506), (209, 10460), (220, 9937), (380, 5753), (418, 5230), (523, 4180), (836, 2615), (1045, 2092), (1046, 2090)]