81923350

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 158132736

約数和(自身を除く): 76209386

約数列:

[1, 2, 5, 10, 25, 47, 50, 71, 94, 142, 235, 355, 470, 491, 710, 982, 1175, 1775, 2350, 2455, 3337, 3550, 4910, 6674, 12275, 16685, 23077, 24550, 33370, 34861, 46154, 69722, 83425, 115385, 166850, 174305, 230770, 348610, 576925, 871525, 1153850, 1638467, 1743050, 3276934, 8192335, 16384670, 40961675, 81923350]

約数ペア:

[(1, 81923350), (2, 40961675), (5, 16384670), (10, 8192335), (25, 3276934), (47, 1743050), (50, 1638467), (71, 1153850), (94, 871525), (142, 576925), (235, 348610), (355, 230770), (470, 174305), (491, 166850), (710, 115385), (982, 83425), (1175, 69722), (1775, 46154), (2350, 34861), (2455, 33370), (3337, 24550), (3550, 23077), (4910, 16685), (6674, 12275)]