71710000

素因数分解:

$2^4\times 5^4\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 100

約数和(自身を含む): 177805584

約数和(自身を除く): 106095584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 101, 125, 142, 200, 202, 250, 284, 355, 400, 404, 500, 505, 568, 625, 710, 808, 1000, 1010, 1136, 1250, 1420, 1616, 1775, 2000, 2020, 2500, 2525, 2840, 3550, 4040, 5000, 5050, 5680, 7100, 7171, 8080, 8875, 10000, 10100, 12625, 14200, 14342, 17750, 20200, 25250, 28400, 28684, 35500, 35855, 40400, 44375, 50500, 57368, 63125, 71000, 71710, 88750, 101000, 114736, 126250, 142000, 143420, 177500, 179275, 202000, 252500, 286840, 355000, 358550, 505000, 573680, 710000, 717100, 896375, 1010000, 1434200, 1792750, 2868400, 3585500, 4481875, 7171000, 8963750, 14342000, 17927500, 35855000, 71710000]

約数ペア:

[(1, 71710000), (2, 35855000), (4, 17927500), (5, 14342000), (8, 8963750), (10, 7171000), (16, 4481875), (20, 3585500), (25, 2868400), (40, 1792750), (50, 1434200), (71, 1010000), (80, 896375), (100, 717100), (101, 710000), (125, 573680), (142, 505000), (200, 358550), (202, 355000), (250, 286840), (284, 252500), (355, 202000), (400, 179275), (404, 177500), (500, 143420), (505, 142000), (568, 126250), (625, 114736), (710, 101000), (808, 88750), (1000, 71710), (1010, 71000), (1136, 63125), (1250, 57368), (1420, 50500), (1616, 44375), (1775, 40400), (2000, 35855), (2020, 35500), (2500, 28684), (2525, 28400), (2840, 25250), (3550, 20200), (4040, 17750), (5000, 14342), (5050, 14200), (5680, 12625), (7100, 10100), (7171, 10000), (8080, 8875)]