140307550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 271839744

約数和(自身を除く): 131532194

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 131, 155, 262, 310, 655, 691, 775, 1310, 1382, 1550, 3275, 3455, 4061, 6550, 6910, 8122, 17275, 20305, 21421, 34550, 40610, 42842, 90521, 101525, 107105, 181042, 203050, 214210, 452605, 535525, 905210, 1071050, 2263025, 2806151, 4526050, 5612302, 14030755, 28061510, 70153775, 140307550]

約数ペア:

[(1, 140307550), (2, 70153775), (5, 28061510), (10, 14030755), (25, 5612302), (31, 4526050), (50, 2806151), (62, 2263025), (131, 1071050), (155, 905210), (262, 535525), (310, 452605), (655, 214210), (691, 203050), (775, 181042), (1310, 107105), (1382, 101525), (1550, 90521), (3275, 42842), (3455, 40610), (4061, 34550), (6550, 21421), (6910, 20305), (8122, 17275)]