7993480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 20191680

約数和(自身を除く): 12198200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 491, 740, 814, 982, 1480, 1628, 1964, 2035, 2455, 3256, 3928, 4070, 4910, 5401, 8140, 9820, 10802, 16280, 18167, 19640, 21604, 27005, 36334, 43208, 54010, 72668, 90835, 108020, 145336, 181670, 199837, 216040, 363340, 399674, 726680, 799348, 999185, 1598696, 1998370, 3996740, 7993480]

約数ペア:

[(1, 7993480), (2, 3996740), (4, 1998370), (5, 1598696), (8, 999185), (10, 799348), (11, 726680), (20, 399674), (22, 363340), (37, 216040), (40, 199837), (44, 181670), (55, 145336), (74, 108020), (88, 90835), (110, 72668), (148, 54010), (185, 43208), (220, 36334), (296, 27005), (370, 21604), (407, 19640), (440, 18167), (491, 16280), (740, 10802), (814, 9820), (982, 8140), (1480, 5401), (1628, 4910), (1964, 4070), (2035, 3928), (2455, 3256)]