68378500

素因数分解:

$2^2\times 5^3\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 150433920

約数和(自身を除く): 82055420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 163, 250, 326, 500, 652, 815, 839, 1630, 1678, 3260, 3356, 4075, 4195, 8150, 8390, 16300, 16780, 20375, 20975, 40750, 41950, 81500, 83900, 104875, 136757, 209750, 273514, 419500, 547028, 683785, 1367570, 2735140, 3418925, 6837850, 13675700, 17094625, 34189250, 68378500]

約数ペア:

[(1, 68378500), (2, 34189250), (4, 17094625), (5, 13675700), (10, 6837850), (20, 3418925), (25, 2735140), (50, 1367570), (100, 683785), (125, 547028), (163, 419500), (250, 273514), (326, 209750), (500, 136757), (652, 104875), (815, 83900), (839, 81500), (1630, 41950), (1678, 40750), (3260, 20975), (3356, 20375), (4075, 16780), (4195, 16300), (8150, 8390)]