31376740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 68468400

約数和(自身を除く): 37091660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 389, 436, 545, 740, 778, 1090, 1556, 1945, 2180, 3890, 4033, 7780, 8066, 14393, 16132, 20165, 28786, 40330, 42401, 57572, 71965, 80660, 84802, 143930, 169604, 212005, 287860, 424010, 848020, 1568837, 3137674, 6275348, 7844185, 15688370, 31376740]

約数ペア:

[(1, 31376740), (2, 15688370), (4, 7844185), (5, 6275348), (10, 3137674), (20, 1568837), (37, 848020), (74, 424010), (109, 287860), (148, 212005), (185, 169604), (218, 143930), (370, 84802), (389, 80660), (436, 71965), (545, 57572), (740, 42401), (778, 40330), (1090, 28786), (1556, 20165), (1945, 16132), (2180, 14393), (3890, 8066), (4033, 7780)]