28935940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1087}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 66898944

約数和(自身を除く): 37963004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1087, 1210, 1331, 2174, 2420, 2662, 4348, 5324, 5435, 6655, 10870, 11957, 13310, 21740, 23914, 26620, 47828, 59785, 119570, 131527, 239140, 263054, 526108, 657635, 1315270, 1446797, 2630540, 2893594, 5787188, 7233985, 14467970, 28935940]

約数ペア:

[(1, 28935940), (2, 14467970), (4, 7233985), (5, 5787188), (10, 2893594), (11, 2630540), (20, 1446797), (22, 1315270), (44, 657635), (55, 526108), (110, 263054), (121, 239140), (220, 131527), (242, 119570), (484, 59785), (605, 47828), (1087, 26620), (1210, 23914), (1331, 21740), (2174, 13310), (2420, 11957), (2662, 10870), (4348, 6655), (5324, 5435)]