8143780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 18648000

約数和(自身を除く): 10504220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 739, 1102, 1478, 2204, 2755, 2956, 3695, 5510, 7390, 11020, 14041, 14780, 21431, 28082, 42862, 56164, 70205, 85724, 107155, 140410, 214310, 280820, 407189, 428620, 814378, 1628756, 2035945, 4071890, 8143780]

約数ペア:

[(1, 8143780), (2, 4071890), (4, 2035945), (5, 1628756), (10, 814378), (19, 428620), (20, 407189), (29, 280820), (38, 214310), (58, 140410), (76, 107155), (95, 85724), (116, 70205), (145, 56164), (190, 42862), (290, 28082), (380, 21431), (551, 14780), (580, 14041), (739, 11020), (1102, 7390), (1478, 5510), (2204, 3695), (2755, 2956)]