2496340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 6539904

約数和(自身を除く): 4043564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1621, 3242, 6484, 8105, 11347, 16210, 17831, 22694, 32420, 35662, 45388, 56735, 71324, 89155, 113470, 124817, 178310, 226940, 249634, 356620, 499268, 624085, 1248170, 2496340]

約数ペア:

[(1, 2496340), (2, 1248170), (4, 624085), (5, 499268), (7, 356620), (10, 249634), (11, 226940), (14, 178310), (20, 124817), (22, 113470), (28, 89155), (35, 71324), (44, 56735), (55, 45388), (70, 35662), (77, 32420), (110, 22694), (140, 17831), (154, 16210), (220, 11347), (308, 8105), (385, 6484), (770, 3242), (1540, 1621)]