206250740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 441552384

約数和(自身を除く): 235301644

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 337, 355, 431, 674, 710, 862, 1348, 1420, 1685, 1724, 2155, 3370, 4310, 6740, 8620, 23927, 30601, 47854, 61202, 95708, 119635, 122404, 145247, 153005, 239270, 290494, 306010, 478540, 580988, 612020, 726235, 1452470, 2904940, 10312537, 20625074, 41250148, 51562685, 103125370, 206250740]

約数ペア:

[(1, 206250740), (2, 103125370), (4, 51562685), (5, 41250148), (10, 20625074), (20, 10312537), (71, 2904940), (142, 1452470), (284, 726235), (337, 612020), (355, 580988), (431, 478540), (674, 306010), (710, 290494), (862, 239270), (1348, 153005), (1420, 145247), (1685, 122404), (1724, 119635), (2155, 95708), (3370, 61202), (4310, 47854), (6740, 30601), (8620, 23927)]