2082388180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{4349}}^1$

素因数の和:4716

約数の個数: 48

約数和(自身を含む): 4439610000

約数和(自身を除く): 2357221820

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 269, 356, 445, 538, 890, 1076, 1345, 1780, 2690, 4349, 5380, 8698, 17396, 21745, 23941, 43490, 47882, 86980, 95764, 119705, 239410, 387061, 478820, 774122, 1169881, 1548244, 1935305, 2339762, 3870610, 4679524, 5849405, 7741220, 11698810, 23397620, 104119409, 208238818, 416477636, 520597045, 1041194090, 2082388180]

約数ペア:

[(1, 2082388180), (2, 1041194090), (4, 520597045), (5, 416477636), (10, 208238818), (20, 104119409), (89, 23397620), (178, 11698810), (269, 7741220), (356, 5849405), (445, 4679524), (538, 3870610), (890, 2339762), (1076, 1935305), (1345, 1548244), (1780, 1169881), (2690, 774122), (4349, 478820), (5380, 387061), (8698, 239410), (17396, 119705), (21745, 95764), (23941, 86980), (43490, 47882)]