380455840

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{10663}}^1$

素因数の和:10901

約数の個数: 48

約数和(自身を含む): 902942208

約数和(自身を除く): 522486368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 7136, 8920, 10663, 17840, 21326, 35680, 42652, 53315, 85304, 106630, 170608, 213260, 341216, 426520, 853040, 1706080, 2377849, 4755698, 9511396, 11889245, 19022792, 23778490, 38045584, 47556980, 76091168, 95113960, 190227920, 380455840]

約数ペア:

[(1, 380455840), (2, 190227920), (4, 95113960), (5, 76091168), (8, 47556980), (10, 38045584), (16, 23778490), (20, 19022792), (32, 11889245), (40, 9511396), (80, 4755698), (160, 2377849), (223, 1706080), (446, 853040), (892, 426520), (1115, 341216), (1784, 213260), (2230, 170608), (3568, 106630), (4460, 85304), (7136, 53315), (8920, 42652), (10663, 35680), (17840, 21326)]