7175180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 15876000

約数和(自身を除く): 8700820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 139, 145, 178, 278, 290, 356, 445, 556, 580, 695, 890, 1390, 1780, 2581, 2780, 4031, 5162, 8062, 10324, 12371, 12905, 16124, 20155, 24742, 25810, 40310, 49484, 51620, 61855, 80620, 123710, 247420, 358759, 717518, 1435036, 1793795, 3587590, 7175180]

約数ペア:

[(1, 7175180), (2, 3587590), (4, 1793795), (5, 1435036), (10, 717518), (20, 358759), (29, 247420), (58, 123710), (89, 80620), (116, 61855), (139, 51620), (145, 49484), (178, 40310), (278, 25810), (290, 24742), (356, 20155), (445, 16124), (556, 12905), (580, 12371), (695, 10324), (890, 8062), (1390, 5162), (1780, 4031), (2581, 2780)]