200909210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{144539}}^1$

素因数の和:144685

約数の個数: 16

約数和(自身を含む): 364240800

約数和(自身を除く): 163331590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 144539, 289078, 722695, 1445390, 20090921, 40181842, 100454605, 200909210]

約数ペア:

[(1, 200909210), (2, 100454605), (5, 40181842), (10, 20090921), (139, 1445390), (278, 722695), (695, 289078), (1390, 144539)]