201675925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 288981504

約数和(自身を除く): 87305579

約数列:

[1, 5, 11, 25, 31, 41, 55, 155, 205, 275, 341, 451, 577, 775, 1025, 1271, 1705, 2255, 2885, 6347, 6355, 8525, 11275, 13981, 14425, 17887, 23657, 31735, 31775, 69905, 89435, 118285, 158675, 196757, 260227, 349525, 447175, 591425, 733367, 983785, 1301135, 3666835, 4918925, 6505675, 8067037, 18334175, 40335185, 201675925]

約数ペア:

[(1, 201675925), (5, 40335185), (11, 18334175), (25, 8067037), (31, 6505675), (41, 4918925), (55, 3666835), (155, 1301135), (205, 983785), (275, 733367), (341, 591425), (451, 447175), (577, 349525), (775, 260227), (1025, 196757), (1271, 158675), (1705, 118285), (2255, 89435), (2885, 69905), (6347, 31775), (6355, 31735), (8525, 23657), (11275, 17887), (13981, 14425)]