204480821990

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1\times {\mathrm{335539}}^1$

素因数の和:336104

約数の個数: 32

約数和(自身を含む): 371442780000

約数和(自身を除く): 166961958010

約数列:

[1, 2, 5, 10, 149, 298, 409, 745, 818, 1490, 2045, 4090, 60941, 121882, 304705, 335539, 609410, 671078, 1677695, 3355390, 49995311, 99990622, 137235451, 249976555, 274470902, 499953110, 686177255, 1372354510, 20448082199, 40896164398, 102240410995, 204480821990]

約数ペア:

[(1, 204480821990), (2, 102240410995), (5, 40896164398), (10, 20448082199), (149, 1372354510), (298, 686177255), (409, 499953110), (745, 274470902), (818, 249976555), (1490, 137235451), (2045, 99990622), (4090, 49995311), (60941, 3355390), (121882, 1677695), (304705, 671078), (335539, 609410)]