31339400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2294

約数の個数: 48

約数和(自身を含む): 73923840

約数和(自身を除く): 42584440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2207, 2840, 3550, 4414, 7100, 8828, 11035, 14200, 17656, 22070, 44140, 55175, 88280, 110350, 156697, 220700, 313394, 441400, 626788, 783485, 1253576, 1566970, 3133940, 3917425, 6267880, 7834850, 15669700, 31339400]

約数ペア:

[(1, 31339400), (2, 15669700), (4, 7834850), (5, 6267880), (8, 3917425), (10, 3133940), (20, 1566970), (25, 1253576), (40, 783485), (50, 626788), (71, 441400), (100, 313394), (142, 220700), (200, 156697), (284, 110350), (355, 88280), (568, 55175), (710, 44140), (1420, 22070), (1775, 17656), (2207, 14200), (2840, 11035), (3550, 8828), (4414, 7100)]