201021475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 259470000

約数和(自身を除く): 58448525

約数列:

[1, 5, 25, 29, 145, 179, 725, 895, 1549, 4475, 5191, 7745, 25955, 38725, 44921, 129775, 224605, 277271, 1123025, 1386355, 6931775, 8040859, 40204295, 201021475]

約数ペア:

[(1, 201021475), (5, 40204295), (25, 8040859), (29, 6931775), (145, 1386355), (179, 1123025), (725, 277271), (895, 224605), (1549, 129775), (4475, 44921), (5191, 38725), (7745, 25955)]