3550000

素因数分解:

$2^4\times 5^5\times {\mathrm{71}}^1$

素因数の和:104

約数の個数: 60

約数和(自身を含む): 8718192

約数和(自身を除く): 5168192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 568, 625, 710, 1000, 1136, 1250, 1420, 1775, 2000, 2500, 2840, 3125, 3550, 5000, 5680, 6250, 7100, 8875, 10000, 12500, 14200, 17750, 25000, 28400, 35500, 44375, 50000, 71000, 88750, 142000, 177500, 221875, 355000, 443750, 710000, 887500, 1775000, 3550000]

約数ペア:

[(1, 3550000), (2, 1775000), (4, 887500), (5, 710000), (8, 443750), (10, 355000), (16, 221875), (20, 177500), (25, 142000), (40, 88750), (50, 71000), (71, 50000), (80, 44375), (100, 35500), (125, 28400), (142, 25000), (200, 17750), (250, 14200), (284, 12500), (355, 10000), (400, 8875), (500, 7100), (568, 6250), (625, 5680), (710, 5000), (1000, 3550), (1136, 3125), (1250, 2840), (1420, 2500), (1775, 2000)]