173878780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{859}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 379260000

約数和(自身を除く): 205381220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 349, 580, 698, 859, 1396, 1718, 1745, 3436, 3490, 4295, 6980, 8590, 10121, 17180, 20242, 24911, 40484, 49822, 50605, 99644, 101210, 124555, 202420, 249110, 299791, 498220, 599582, 1199164, 1498955, 2997910, 5995820, 8693939, 17387878, 34775756, 43469695, 86939390, 173878780]

約数ペア:

[(1, 173878780), (2, 86939390), (4, 43469695), (5, 34775756), (10, 17387878), (20, 8693939), (29, 5995820), (58, 2997910), (116, 1498955), (145, 1199164), (290, 599582), (349, 498220), (580, 299791), (698, 249110), (859, 202420), (1396, 124555), (1718, 101210), (1745, 99644), (3436, 50605), (3490, 49822), (4295, 40484), (6980, 24911), (8590, 20242), (10121, 17180)]