865630120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1138987}}^1$

素因数の和:1139017

約数の個数: 32

約数和(自身を含む): 2050178400

約数和(自身を除く): 1184548280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1138987, 2277974, 4555948, 5694935, 9111896, 11389870, 21640753, 22779740, 43281506, 45559480, 86563012, 108203765, 173126024, 216407530, 432815060, 865630120]

約数ペア:

[(1, 865630120), (2, 432815060), (4, 216407530), (5, 173126024), (8, 108203765), (10, 86563012), (19, 45559480), (20, 43281506), (38, 22779740), (40, 21640753), (76, 11389870), (95, 9111896), (152, 5694935), (190, 4555948), (380, 2277974), (760, 1138987)]