39788980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3691}}^1$

素因数の和:3725

約数の個数: 72

約数和(自身を含む): 106063776

約数和(自身を除く): 66274796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 3691, 5390, 7382, 10780, 14764, 18455, 25837, 36910, 40601, 51674, 73820, 81202, 103348, 129185, 162404, 180859, 203005, 258370, 284207, 361718, 406010, 516740, 568414, 723436, 812020, 904295, 1136828, 1421035, 1808590, 1989449, 2842070, 3617180, 3978898, 5684140, 7957796, 9947245, 19894490, 39788980]

約数ペア:

[(1, 39788980), (2, 19894490), (4, 9947245), (5, 7957796), (7, 5684140), (10, 3978898), (11, 3617180), (14, 2842070), (20, 1989449), (22, 1808590), (28, 1421035), (35, 1136828), (44, 904295), (49, 812020), (55, 723436), (70, 568414), (77, 516740), (98, 406010), (110, 361718), (140, 284207), (154, 258370), (196, 203005), (220, 180859), (245, 162404), (308, 129185), (385, 103348), (490, 81202), (539, 73820), (770, 51674), (980, 40601), (1078, 36910), (1540, 25837), (2156, 18455), (2695, 14764), (3691, 10780), (5390, 7382)]