251592740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{4289}}^1$

素因数の和:4724

約数の個数: 48

約数和(自身を含む): 605404800

約数和(自身を除く): 353812060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1676, 2095, 2933, 4190, 4289, 5866, 8380, 8578, 11732, 14665, 17156, 21445, 29330, 30023, 42890, 58660, 60046, 85780, 120092, 150115, 300230, 600460, 1797091, 3594182, 7188364, 8985455, 12579637, 17970910, 25159274, 35941820, 50318548, 62898185, 125796370, 251592740]

約数ペア:

[(1, 251592740), (2, 125796370), (4, 62898185), (5, 50318548), (7, 35941820), (10, 25159274), (14, 17970910), (20, 12579637), (28, 8985455), (35, 7188364), (70, 3594182), (140, 1797091), (419, 600460), (838, 300230), (1676, 150115), (2095, 120092), (2933, 85780), (4190, 60046), (4289, 58660), (5866, 42890), (8380, 30023), (8578, 29330), (11732, 21445), (14665, 17156)]