2139400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 5245200

約数和(自身を除く): 3105800

約数列:

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

約数ペア:

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