395960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 939600

約数和(自身を除く): 543640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 521, 760, 1042, 2084, 2605, 4168, 5210, 9899, 10420, 19798, 20840, 39596, 49495, 79192, 98990, 197980, 395960]

約数ペア:

[(1, 395960), (2, 197980), (4, 98990), (5, 79192), (8, 49495), (10, 39596), (19, 20840), (20, 19798), (38, 10420), (40, 9899), (76, 5210), (95, 4168), (152, 2605), (190, 2084), (380, 1042), (521, 760)]