4778180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 11261376

約数和(自身を除く): 6483196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 587, 740, 814, 1174, 1628, 2035, 2348, 2935, 4070, 5870, 6457, 8140, 11740, 12914, 21719, 25828, 32285, 43438, 64570, 86876, 108595, 129140, 217190, 238909, 434380, 477818, 955636, 1194545, 2389090, 4778180]

約数ペア:

[(1, 4778180), (2, 2389090), (4, 1194545), (5, 955636), (10, 477818), (11, 434380), (20, 238909), (22, 217190), (37, 129140), (44, 108595), (55, 86876), (74, 64570), (110, 43438), (148, 32285), (185, 25828), (220, 21719), (370, 12914), (407, 11740), (587, 8140), (740, 6457), (814, 5870), (1174, 4070), (1628, 2935), (2035, 2348)]