7262740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 16574544

約数和(自身を除く): 9311804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 521, 697, 820, 1042, 1394, 2084, 2605, 2788, 3485, 5210, 6970, 8857, 10420, 13940, 17714, 21361, 35428, 42722, 44285, 85444, 88570, 106805, 177140, 213610, 363137, 427220, 726274, 1452548, 1815685, 3631370, 7262740]

約数ペア:

[(1, 7262740), (2, 3631370), (4, 1815685), (5, 1452548), (10, 726274), (17, 427220), (20, 363137), (34, 213610), (41, 177140), (68, 106805), (82, 88570), (85, 85444), (164, 44285), (170, 42722), (205, 35428), (340, 21361), (410, 17714), (521, 13940), (697, 10420), (820, 8857), (1042, 6970), (1394, 5210), (2084, 3485), (2605, 2788)]