139968440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4356

約数の個数: 64

約数和(自身を含む): 339292800

約数和(自身を除く): 199324360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 4283, 6536, 8170, 8566, 16340, 17132, 21415, 32680, 34264, 42830, 81377, 85660, 162754, 171320, 184169, 325508, 368338, 406885, 651016, 736676, 813770, 920845, 1473352, 1627540, 1841690, 3255080, 3499211, 3683380, 6998422, 7366760, 13996844, 17496055, 27993688, 34992110, 69984220, 139968440]

約数ペア:

[(1, 139968440), (2, 69984220), (4, 34992110), (5, 27993688), (8, 17496055), (10, 13996844), (19, 7366760), (20, 6998422), (38, 3683380), (40, 3499211), (43, 3255080), (76, 1841690), (86, 1627540), (95, 1473352), (152, 920845), (172, 813770), (190, 736676), (215, 651016), (344, 406885), (380, 368338), (430, 325508), (760, 184169), (817, 171320), (860, 162754), (1634, 85660), (1720, 81377), (3268, 42830), (4085, 34264), (4283, 32680), (6536, 21415), (8170, 17132), (8566, 16340)]