155660260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{22691}}^1$

素因数の和:22721

約数の個数: 48

約数和(自身を含む): 381225600

約数和(自身を除く): 225565340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 22691, 45382, 90764, 113455, 158837, 226910, 317674, 453820, 635348, 794185, 1111859, 1588370, 2223718, 3176740, 4447436, 5559295, 7783013, 11118590, 15566026, 22237180, 31132052, 38915065, 77830130, 155660260]

約数ペア:

[(1, 155660260), (2, 77830130), (4, 38915065), (5, 31132052), (7, 22237180), (10, 15566026), (14, 11118590), (20, 7783013), (28, 5559295), (35, 4447436), (49, 3176740), (70, 2223718), (98, 1588370), (140, 1111859), (196, 794185), (245, 635348), (343, 453820), (490, 317674), (686, 226910), (980, 158837), (1372, 113455), (1715, 90764), (3430, 45382), (6860, 22691)]