673802320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443291}}^1$

素因数の和:443323

約数の個数: 40

約数和(自身を含む): 1649046240

約数和(自身を除く): 975243920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 443291, 886582, 1773164, 2216455, 3546328, 4432910, 7092656, 8422529, 8865820, 16845058, 17731640, 33690116, 35463280, 42112645, 67380232, 84225290, 134760464, 168450580, 336901160, 673802320]

約数ペア:

[(1, 673802320), (2, 336901160), (4, 168450580), (5, 134760464), (8, 84225290), (10, 67380232), (16, 42112645), (19, 35463280), (20, 33690116), (38, 17731640), (40, 16845058), (76, 8865820), (80, 8422529), (95, 7092656), (152, 4432910), (190, 3546328), (304, 2216455), (380, 1773164), (760, 886582), (1520, 443291)]