80215450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1184

約数の個数: 72

約数和(自身を含む): 179703900

約数和(自身を除く): 99488450

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 350, 406, 490, 725, 1015, 1129, 1225, 1421, 1450, 2030, 2258, 2450, 2842, 5075, 5645, 7105, 7903, 10150, 11290, 14210, 15806, 28225, 32741, 35525, 39515, 55321, 56450, 65482, 71050, 79030, 110642, 163705, 197575, 229187, 276605, 327410, 395150, 458374, 553210, 818525, 1145935, 1383025, 1604309, 1637050, 2291870, 2766050, 3208618, 5729675, 8021545, 11459350, 16043090, 40107725, 80215450]

約数ペア:

[(1, 80215450), (2, 40107725), (5, 16043090), (7, 11459350), (10, 8021545), (14, 5729675), (25, 3208618), (29, 2766050), (35, 2291870), (49, 1637050), (50, 1604309), (58, 1383025), (70, 1145935), (98, 818525), (145, 553210), (175, 458374), (203, 395150), (245, 327410), (290, 276605), (350, 229187), (406, 197575), (490, 163705), (725, 110642), (1015, 79030), (1129, 71050), (1225, 65482), (1421, 56450), (1450, 55321), (2030, 39515), (2258, 35525), (2450, 32741), (2842, 28225), (5075, 15806), (5645, 14210), (7105, 11290), (7903, 10150)]