68307500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 151545240

約数和(自身を除く): 83237740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 307, 356, 445, 500, 614, 625, 890, 1228, 1250, 1535, 1780, 2225, 2500, 3070, 4450, 6140, 7675, 8900, 11125, 15350, 22250, 27323, 30700, 38375, 44500, 54646, 55625, 76750, 109292, 111250, 136615, 153500, 191875, 222500, 273230, 383750, 546460, 683075, 767500, 1366150, 2732300, 3415375, 6830750, 13661500, 17076875, 34153750, 68307500]

約数ペア:

[(1, 68307500), (2, 34153750), (4, 17076875), (5, 13661500), (10, 6830750), (20, 3415375), (25, 2732300), (50, 1366150), (89, 767500), (100, 683075), (125, 546460), (178, 383750), (250, 273230), (307, 222500), (356, 191875), (445, 153500), (500, 136615), (614, 111250), (625, 109292), (890, 76750), (1228, 55625), (1250, 54646), (1535, 44500), (1780, 38375), (2225, 30700), (2500, 27323), (3070, 22250), (4450, 15350), (6140, 11125), (7675, 8900)]