71965820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 157731840

約数和(自身を除く): 85766020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 508, 580, 635, 977, 1270, 1954, 2540, 3683, 3908, 4885, 7366, 9770, 14732, 18415, 19540, 28333, 36830, 56666, 73660, 113332, 124079, 141665, 248158, 283330, 496316, 566660, 620395, 1240790, 2481580, 3598291, 7196582, 14393164, 17991455, 35982910, 71965820]

約数ペア:

[(1, 71965820), (2, 35982910), (4, 17991455), (5, 14393164), (10, 7196582), (20, 3598291), (29, 2481580), (58, 1240790), (116, 620395), (127, 566660), (145, 496316), (254, 283330), (290, 248158), (508, 141665), (580, 124079), (635, 113332), (977, 73660), (1270, 56666), (1954, 36830), (2540, 28333), (3683, 19540), (3908, 18415), (4885, 14732), (7366, 9770)]