90175288

素因数分解:

$2^3\times 7^2\times {\mathrm{461}}^1\times {\mathrm{499}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 197505000

約数和(自身を除く): 107329712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 461, 499, 922, 998, 1844, 1996, 3227, 3493, 3688, 3992, 6454, 6986, 12908, 13972, 22589, 24451, 25816, 27944, 45178, 48902, 90356, 97804, 180712, 195608, 230039, 460078, 920156, 1610273, 1840312, 3220546, 6441092, 11271911, 12882184, 22543822, 45087644, 90175288]

約数ペア:

[(1, 90175288), (2, 45087644), (4, 22543822), (7, 12882184), (8, 11271911), (14, 6441092), (28, 3220546), (49, 1840312), (56, 1610273), (98, 920156), (196, 460078), (392, 230039), (461, 195608), (499, 180712), (922, 97804), (998, 90356), (1844, 48902), (1996, 45178), (3227, 27944), (3493, 25816), (3688, 24451), (3992, 22589), (6454, 13972), (6986, 12908)]