1885923280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1240739}}^1$

素因数の和:1240771

約数の個数: 40

約数和(自身を含む): 4615552800

約数和(自身を除く): 2729629520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1240739, 2481478, 4962956, 6203695, 9925912, 12407390, 19851824, 23574041, 24814780, 47148082, 49629560, 94296164, 99259120, 117870205, 188592328, 235740410, 377184656, 471480820, 942961640, 1885923280]

約数ペア:

[(1, 1885923280), (2, 942961640), (4, 471480820), (5, 377184656), (8, 235740410), (10, 188592328), (16, 117870205), (19, 99259120), (20, 94296164), (38, 49629560), (40, 47148082), (76, 24814780), (80, 23574041), (95, 19851824), (152, 12407390), (190, 9925912), (304, 6203695), (380, 4962956), (760, 2481478), (1520, 1240739)]