71504140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1091}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 85350740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 452, 565, 580, 1091, 1130, 2182, 2260, 3277, 4364, 5455, 6554, 10910, 13108, 16385, 21820, 31639, 32770, 63278, 65540, 123283, 126556, 158195, 246566, 316390, 493132, 616415, 632780, 1232830, 2465660, 3575207, 7150414, 14300828, 17876035, 35752070, 71504140]

約数ペア:

[(1, 71504140), (2, 35752070), (4, 17876035), (5, 14300828), (10, 7150414), (20, 3575207), (29, 2465660), (58, 1232830), (113, 632780), (116, 616415), (145, 493132), (226, 316390), (290, 246566), (452, 158195), (565, 126556), (580, 123283), (1091, 65540), (1130, 63278), (2182, 32770), (2260, 31639), (3277, 21820), (4364, 16385), (5455, 13108), (6554, 10910)]