7100000

素因数分解:

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

素因数の和:106

約数の個数: 72

約数和(自身を含む): 17717616

約数和(自身を除く): 10617616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 125, 142, 160, 200, 250, 284, 355, 400, 500, 568, 625, 710, 800, 1000, 1136, 1250, 1420, 1775, 2000, 2272, 2500, 2840, 3125, 3550, 4000, 5000, 5680, 6250, 7100, 8875, 10000, 11360, 12500, 14200, 17750, 20000, 25000, 28400, 35500, 44375, 50000, 56800, 71000, 88750, 100000, 142000, 177500, 221875, 284000, 355000, 443750, 710000, 887500, 1420000, 1775000, 3550000, 7100000]

約数ペア:

[(1, 7100000), (2, 3550000), (4, 1775000), (5, 1420000), (8, 887500), (10, 710000), (16, 443750), (20, 355000), (25, 284000), (32, 221875), (40, 177500), (50, 142000), (71, 100000), (80, 88750), (100, 71000), (125, 56800), (142, 50000), (160, 44375), (200, 35500), (250, 28400), (284, 25000), (355, 20000), (400, 17750), (500, 14200), (568, 12500), (625, 11360), (710, 10000), (800, 8875), (1000, 7100), (1136, 6250), (1250, 5680), (1420, 5000), (1775, 4000), (2000, 3550), (2272, 3125), (2500, 2840)]