288519860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{203183}}^1$

素因数の和:203263

約数の個数: 24

約数和(自身を含む): 614428416

約数和(自身を除く): 325908556

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 203183, 406366, 812732, 1015915, 2031830, 4063660, 14425993, 28851986, 57703972, 72129965, 144259930, 288519860]

約数ペア:

[(1, 288519860), (2, 144259930), (4, 72129965), (5, 57703972), (10, 28851986), (20, 14425993), (71, 4063660), (142, 2031830), (284, 1015915), (355, 812732), (710, 406366), (1420, 203183)]