4940980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 11644416

約数和(自身を除く): 6703436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 607, 740, 814, 1214, 1628, 2035, 2428, 3035, 4070, 6070, 6677, 8140, 12140, 13354, 22459, 26708, 33385, 44918, 66770, 89836, 112295, 133540, 224590, 247049, 449180, 494098, 988196, 1235245, 2470490, 4940980]

約数ペア:

[(1, 4940980), (2, 2470490), (4, 1235245), (5, 988196), (10, 494098), (11, 449180), (20, 247049), (22, 224590), (37, 133540), (44, 112295), (55, 89836), (74, 66770), (110, 44918), (148, 33385), (185, 26708), (220, 22459), (370, 13354), (407, 12140), (607, 8140), (740, 6677), (814, 6070), (1214, 4070), (1628, 3035), (2035, 2428)]