3470000

素因数分解:

$2^4\times 5^4\times {\mathrm{347}}^1$

素因数の和:375

約数の個数: 50

約数和(自身を含む): 8425428

約数和(自身を除く): 4955428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 347, 400, 500, 625, 694, 1000, 1250, 1388, 1735, 2000, 2500, 2776, 3470, 5000, 5552, 6940, 8675, 10000, 13880, 17350, 27760, 34700, 43375, 69400, 86750, 138800, 173500, 216875, 347000, 433750, 694000, 867500, 1735000, 3470000]

約数ペア:

[(1, 3470000), (2, 1735000), (4, 867500), (5, 694000), (8, 433750), (10, 347000), (16, 216875), (20, 173500), (25, 138800), (40, 86750), (50, 69400), (80, 43375), (100, 34700), (125, 27760), (200, 17350), (250, 13880), (347, 10000), (400, 8675), (500, 6940), (625, 5552), (694, 5000), (1000, 3470), (1250, 2776), (1388, 2500), (1735, 2000)]