28231140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67217}}^1$

素因数の和:67236

約数の個数: 48

約数和(自身を含む): 90340992

約数和(自身を除く): 62109852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67217, 134434, 201651, 268868, 336085, 403302, 470519, 672170, 806604, 941038, 1008255, 1344340, 1411557, 1882076, 2016510, 2352595, 2823114, 4033020, 4705190, 5646228, 7057785, 9410380, 14115570, 28231140]

約数ペア:

[(1, 28231140), (2, 14115570), (3, 9410380), (4, 7057785), (5, 5646228), (6, 4705190), (7, 4033020), (10, 2823114), (12, 2352595), (14, 2016510), (15, 1882076), (20, 1411557), (21, 1344340), (28, 1008255), (30, 941038), (35, 806604), (42, 672170), (60, 470519), (70, 403302), (84, 336085), (105, 268868), (140, 201651), (210, 134434), (420, 67217)]