403906990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{7757}}^1$

素因数の和:7932

約数の個数: 32

約数和(自身を含む): 750726144

約数和(自身を除く): 346819154

約数列:

[1, 2, 5, 10, 41, 82, 127, 205, 254, 410, 635, 1270, 5207, 7757, 10414, 15514, 26035, 38785, 52070, 77570, 318037, 636074, 985139, 1590185, 1970278, 3180370, 4925695, 9851390, 40390699, 80781398, 201953495, 403906990]

約数ペア:

[(1, 403906990), (2, 201953495), (5, 80781398), (10, 40390699), (41, 9851390), (82, 4925695), (127, 3180370), (205, 1970278), (254, 1590185), (410, 985139), (635, 636074), (1270, 318037), (5207, 77570), (7757, 52070), (10414, 38785), (15514, 26035)]