19171250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 60

約数和(自身を含む): 41935014

約数和(自身を除く): 22763764

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 313, 350, 490, 625, 626, 875, 1225, 1250, 1565, 1750, 2191, 2450, 3130, 4375, 4382, 6125, 7825, 8750, 10955, 12250, 15337, 15650, 21910, 30625, 30674, 39125, 54775, 61250, 76685, 78250, 109550, 153370, 195625, 273875, 383425, 391250, 547750, 766850, 1369375, 1917125, 2738750, 3834250, 9585625, 19171250]

約数ペア:

[(1, 19171250), (2, 9585625), (5, 3834250), (7, 2738750), (10, 1917125), (14, 1369375), (25, 766850), (35, 547750), (49, 391250), (50, 383425), (70, 273875), (98, 195625), (125, 153370), (175, 109550), (245, 78250), (250, 76685), (313, 61250), (350, 54775), (490, 39125), (625, 30674), (626, 30625), (875, 21910), (1225, 15650), (1250, 15337), (1565, 12250), (1750, 10955), (2191, 8750), (2450, 7825), (3130, 6125), (4375, 4382)]