51388750

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{839}}^1$

素因数の和:875

約数の個数: 60

約数和(自身を含む): 112182840

約数和(自身を除く): 60794090

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 625, 839, 875, 1225, 1250, 1678, 1750, 2450, 4195, 4375, 5873, 6125, 8390, 8750, 11746, 12250, 20975, 29365, 30625, 41111, 41950, 58730, 61250, 82222, 104875, 146825, 205555, 209750, 293650, 411110, 524375, 734125, 1027775, 1048750, 1468250, 2055550, 3670625, 5138875, 7341250, 10277750, 25694375, 51388750]

約数ペア:

[(1, 51388750), (2, 25694375), (5, 10277750), (7, 7341250), (10, 5138875), (14, 3670625), (25, 2055550), (35, 1468250), (49, 1048750), (50, 1027775), (70, 734125), (98, 524375), (125, 411110), (175, 293650), (245, 209750), (250, 205555), (350, 146825), (490, 104875), (625, 82222), (839, 61250), (875, 58730), (1225, 41950), (1250, 41111), (1678, 30625), (1750, 29365), (2450, 20975), (4195, 12250), (4375, 11746), (5873, 8750), (6125, 8390)]