290808840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{346201}}^1$

素因数の和:346222

約数の個数: 64

約数和(自身を含む): 997061760

約数和(自身を除く): 706252920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 346201, 692402, 1038603, 1384804, 1731005, 2077206, 2423407, 2769608, 3462010, 4154412, 4846814, 5193015, 6924020, 7270221, 8308824, 9693628, 10386030, 12117035, 13848040, 14540442, 19387256, 20772060, 24234070, 29080884, 36351105, 41544120, 48468140, 58161768, 72702210, 96936280, 145404420, 290808840]

約数ペア:

[(1, 290808840), (2, 145404420), (3, 96936280), (4, 72702210), (5, 58161768), (6, 48468140), (7, 41544120), (8, 36351105), (10, 29080884), (12, 24234070), (14, 20772060), (15, 19387256), (20, 14540442), (21, 13848040), (24, 12117035), (28, 10386030), (30, 9693628), (35, 8308824), (40, 7270221), (42, 6924020), (56, 5193015), (60, 4846814), (70, 4154412), (84, 3462010), (105, 2769608), (120, 2423407), (140, 2077206), (168, 1731005), (210, 1384804), (280, 1038603), (420, 692402), (840, 346201)]