77401820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{587}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 171884160

約数和(自身を除く): 94482340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 347, 380, 587, 694, 1174, 1388, 1735, 2348, 2935, 3470, 5870, 6593, 6940, 11153, 11740, 13186, 22306, 26372, 32965, 44612, 55765, 65930, 111530, 131860, 203689, 223060, 407378, 814756, 1018445, 2036890, 3870091, 4073780, 7740182, 15480364, 19350455, 38700910, 77401820]

約数ペア:

[(1, 77401820), (2, 38700910), (4, 19350455), (5, 15480364), (10, 7740182), (19, 4073780), (20, 3870091), (38, 2036890), (76, 1018445), (95, 814756), (190, 407378), (347, 223060), (380, 203689), (587, 131860), (694, 111530), (1174, 65930), (1388, 55765), (1735, 44612), (2348, 32965), (2935, 26372), (3470, 22306), (5870, 13186), (6593, 11740), (6940, 11153)]