4189990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 9307872

約数和(自身を除く): 5117882

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 503, 595, 833, 1006, 1190, 1666, 2515, 3521, 4165, 5030, 7042, 8330, 8551, 17102, 17605, 24647, 35210, 42755, 49294, 59857, 85510, 119714, 123235, 246470, 299285, 418999, 598570, 837998, 2094995, 4189990]

約数ペア:

[(1, 4189990), (2, 2094995), (5, 837998), (7, 598570), (10, 418999), (14, 299285), (17, 246470), (34, 123235), (35, 119714), (49, 85510), (70, 59857), (85, 49294), (98, 42755), (119, 35210), (170, 24647), (238, 17605), (245, 17102), (490, 8551), (503, 8330), (595, 7042), (833, 5030), (1006, 4165), (1190, 3521), (1666, 2515)]