201220775

素因数分解:

$5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7717}}^1$

素因数の和:7883

約数の個数: 24

約数和(自身を含む): 287109600

約数和(自身を除く): 85888825

約数列:

[1, 5, 7, 25, 35, 149, 175, 745, 1043, 3725, 5215, 7717, 26075, 38585, 54019, 192925, 270095, 1149833, 1350475, 5749165, 8048831, 28745825, 40244155, 201220775]

約数ペア:

[(1, 201220775), (5, 40244155), (7, 28745825), (25, 8048831), (35, 5749165), (149, 1350475), (175, 1149833), (745, 270095), (1043, 192925), (3725, 54019), (5215, 38585), (7717, 26075)]