2650340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 6943104

約数和(自身を除く): 4292764

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, 1721, 3442, 6884, 8605, 12047, 17210, 18931, 24094, 34420, 37862, 48188, 60235, 75724, 94655, 120470, 132517, 189310, 240940, 265034, 378620, 530068, 662585, 1325170, 2650340]

約数ペア:

[(1, 2650340), (2, 1325170), (4, 662585), (5, 530068), (7, 378620), (10, 265034), (11, 240940), (14, 189310), (20, 132517), (22, 120470), (28, 94655), (35, 75724), (44, 60235), (55, 48188), (70, 37862), (77, 34420), (110, 24094), (140, 18931), (154, 17210), (220, 12047), (308, 8605), (385, 6884), (770, 3442), (1540, 1721)]