1577180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3701376

約数和(自身を除く): 2124196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 107, 110, 134, 214, 220, 268, 335, 428, 535, 670, 737, 1070, 1177, 1340, 1474, 2140, 2354, 2948, 3685, 4708, 5885, 7169, 7370, 11770, 14338, 14740, 23540, 28676, 35845, 71690, 78859, 143380, 157718, 315436, 394295, 788590, 1577180]

約数ペア:

[(1, 1577180), (2, 788590), (4, 394295), (5, 315436), (10, 157718), (11, 143380), (20, 78859), (22, 71690), (44, 35845), (55, 28676), (67, 23540), (107, 14740), (110, 14338), (134, 11770), (214, 7370), (220, 7169), (268, 5885), (335, 4708), (428, 3685), (535, 2948), (670, 2354), (737, 2140), (1070, 1474), (1177, 1340)]