565556180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{56897}}^1$

素因数の和:56984

約数の個数: 48

約数和(自身を含む): 1376476416

約数和(自身を除く): 810920236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 56897, 113794, 227588, 284485, 398279, 568970, 796558, 1137940, 1593116, 1991395, 3982790, 4039687, 7965580, 8079374, 16158748, 20198435, 28277809, 40396870, 56555618, 80793740, 113111236, 141389045, 282778090, 565556180]

約数ペア:

[(1, 565556180), (2, 282778090), (4, 141389045), (5, 113111236), (7, 80793740), (10, 56555618), (14, 40396870), (20, 28277809), (28, 20198435), (35, 16158748), (70, 8079374), (71, 7965580), (140, 4039687), (142, 3982790), (284, 1991395), (355, 1593116), (497, 1137940), (710, 796558), (994, 568970), (1420, 398279), (1988, 284485), (2485, 227588), (4970, 113794), (9940, 56897)]