3996740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 9422784

約数和(自身を除く): 5426044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 491, 740, 814, 982, 1628, 1964, 2035, 2455, 4070, 4910, 5401, 8140, 9820, 10802, 18167, 21604, 27005, 36334, 54010, 72668, 90835, 108020, 181670, 199837, 363340, 399674, 799348, 999185, 1998370, 3996740]

約数ペア:

[(1, 3996740), (2, 1998370), (4, 999185), (5, 799348), (10, 399674), (11, 363340), (20, 199837), (22, 181670), (37, 108020), (44, 90835), (55, 72668), (74, 54010), (110, 36334), (148, 27005), (185, 21604), (220, 18167), (370, 10802), (407, 9820), (491, 8140), (740, 5401), (814, 4910), (982, 4070), (1628, 2455), (1964, 2035)]