201418780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324869}}^1$

素因数の和:324909

約数の個数: 24

約数和(自身を含む): 436625280

約数和(自身を除く): 235206500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324869, 649738, 1299476, 1624345, 3248690, 6497380, 10070939, 20141878, 40283756, 50354695, 100709390, 201418780]

約数ペア:

[(1, 201418780), (2, 100709390), (4, 50354695), (5, 40283756), (10, 20141878), (20, 10070939), (31, 6497380), (62, 3248690), (124, 1624345), (155, 1299476), (310, 649738), (620, 324869)]