157989400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19267}}^1$

素因数の和:19324

約数の個数: 48

約数和(自身を含む): 376304040

約数和(自身を除く): 218314640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 19267, 38534, 77068, 96335, 154136, 192670, 385340, 481675, 770680, 789947, 963350, 1579894, 1926700, 3159788, 3853400, 3949735, 6319576, 7899470, 15798940, 19748675, 31597880, 39497350, 78994700, 157989400]

約数ペア:

[(1, 157989400), (2, 78994700), (4, 39497350), (5, 31597880), (8, 19748675), (10, 15798940), (20, 7899470), (25, 6319576), (40, 3949735), (41, 3853400), (50, 3159788), (82, 1926700), (100, 1579894), (164, 963350), (200, 789947), (205, 770680), (328, 481675), (410, 385340), (820, 192670), (1025, 154136), (1640, 96335), (2050, 77068), (4100, 38534), (8200, 19267)]