38826890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 71280000

約数和(自身を除く): 32453110

約数列:

[1, 2, 5, 10, 109, 179, 199, 218, 358, 398, 545, 895, 995, 1090, 1790, 1990, 19511, 21691, 35621, 39022, 43382, 71242, 97555, 108455, 178105, 195110, 216910, 356210, 3882689, 7765378, 19413445, 38826890]

約数ペア:

[(1, 38826890), (2, 19413445), (5, 7765378), (10, 3882689), (109, 356210), (179, 216910), (199, 195110), (218, 178105), (358, 108455), (398, 97555), (545, 71242), (895, 43382), (995, 39022), (1090, 35621), (1790, 21691), (1990, 19511)]