628895920

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{23327}}^1$

素因数の和:23677

約数の個数: 40

約数和(自身を含む): 1466584704

約数和(自身を除く): 837688784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 3370, 5392, 6740, 13480, 23327, 26960, 46654, 93308, 116635, 186616, 233270, 373232, 466540, 933080, 1866160, 7861199, 15722398, 31444796, 39305995, 62889592, 78611990, 125779184, 157223980, 314447960, 628895920]

約数ペア:

[(1, 628895920), (2, 314447960), (4, 157223980), (5, 125779184), (8, 78611990), (10, 62889592), (16, 39305995), (20, 31444796), (40, 15722398), (80, 7861199), (337, 1866160), (674, 933080), (1348, 466540), (1685, 373232), (2696, 233270), (3370, 186616), (5392, 116635), (6740, 93308), (13480, 46654), (23327, 26960)]