8143400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 19939200

約数和(自身を除く): 11795800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 2143, 3800, 4286, 8572, 10715, 17144, 21430, 40717, 42860, 53575, 81434, 85720, 107150, 162868, 203585, 214300, 325736, 407170, 428600, 814340, 1017925, 1628680, 2035850, 4071700, 8143400]

約数ペア:

[(1, 8143400), (2, 4071700), (4, 2035850), (5, 1628680), (8, 1017925), (10, 814340), (19, 428600), (20, 407170), (25, 325736), (38, 214300), (40, 203585), (50, 162868), (76, 107150), (95, 85720), (100, 81434), (152, 53575), (190, 42860), (200, 40717), (380, 21430), (475, 17144), (760, 10715), (950, 8572), (1900, 4286), (2143, 3800)]