201777220

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{8209}}^1$

素因数の和:9447

約数の個数: 24

約数和(自身を含む): 424128600

約数和(自身を除く): 222351380

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 8209, 12290, 16418, 24580, 32836, 41045, 82090, 164180, 10088861, 20177722, 40355444, 50444305, 100888610, 201777220]

約数ペア:

[(1, 201777220), (2, 100888610), (4, 50444305), (5, 40355444), (10, 20177722), (20, 10088861), (1229, 164180), (2458, 82090), (4916, 41045), (6145, 32836), (8209, 24580), (12290, 16418)]