204517180

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{4259}}^1$

素因数の和:4296

約数の個数: 60

約数和(自身を含む): 501154920

約数和(自身を除く): 296637740

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, 2401, 3430, 4259, 4802, 6860, 8518, 9604, 12005, 17036, 21295, 24010, 29813, 42590, 48020, 59626, 85180, 119252, 149065, 208691, 298130, 417382, 596260, 834764, 1043455, 1460837, 2086910, 2921674, 4173820, 5843348, 7304185, 10225859, 14608370, 20451718, 29216740, 40903436, 51129295, 102258590, 204517180]

約数ペア:

[(1, 204517180), (2, 102258590), (4, 51129295), (5, 40903436), (7, 29216740), (10, 20451718), (14, 14608370), (20, 10225859), (28, 7304185), (35, 5843348), (49, 4173820), (70, 2921674), (98, 2086910), (140, 1460837), (196, 1043455), (245, 834764), (343, 596260), (490, 417382), (686, 298130), (980, 208691), (1372, 149065), (1715, 119252), (2401, 85180), (3430, 59626), (4259, 48020), (4802, 42590), (6860, 29813), (8518, 24010), (9604, 21295), (12005, 17036)]