4278800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:600

約数の個数: 60

約数和(自身を含む): 10840080

約数和(自身を除く): 6561280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 563, 760, 950, 1126, 1520, 1900, 2252, 2815, 3800, 4504, 5630, 7600, 9008, 10697, 11260, 14075, 21394, 22520, 28150, 42788, 45040, 53485, 56300, 85576, 106970, 112600, 171152, 213940, 225200, 267425, 427880, 534850, 855760, 1069700, 2139400, 4278800]

約数ペア:

[(1, 4278800), (2, 2139400), (4, 1069700), (5, 855760), (8, 534850), (10, 427880), (16, 267425), (19, 225200), (20, 213940), (25, 171152), (38, 112600), (40, 106970), (50, 85576), (76, 56300), (80, 53485), (95, 45040), (100, 42788), (152, 28150), (190, 22520), (200, 21394), (304, 14075), (380, 11260), (400, 10697), (475, 9008), (563, 7600), (760, 5630), (950, 4504), (1126, 3800), (1520, 2815), (1900, 2252)]