131350000

素因数分解:

$2^4\times 5^5\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 331291296

約数和(自身を除く): 199941296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 71, 74, 80, 100, 125, 142, 148, 185, 200, 250, 284, 296, 355, 370, 400, 500, 568, 592, 625, 710, 740, 925, 1000, 1136, 1250, 1420, 1480, 1775, 1850, 2000, 2500, 2627, 2840, 2960, 3125, 3550, 3700, 4625, 5000, 5254, 5680, 6250, 7100, 7400, 8875, 9250, 10000, 10508, 12500, 13135, 14200, 14800, 17750, 18500, 21016, 23125, 25000, 26270, 28400, 35500, 37000, 42032, 44375, 46250, 50000, 52540, 65675, 71000, 74000, 88750, 92500, 105080, 115625, 131350, 142000, 177500, 185000, 210160, 221875, 231250, 262700, 328375, 355000, 370000, 443750, 462500, 525400, 656750, 710000, 887500, 925000, 1050800, 1313500, 1641875, 1775000, 1850000, 2627000, 3283750, 3550000, 5254000, 6567500, 8209375, 13135000, 16418750, 26270000, 32837500, 65675000, 131350000]

約数ペア:

[(1, 131350000), (2, 65675000), (4, 32837500), (5, 26270000), (8, 16418750), (10, 13135000), (16, 8209375), (20, 6567500), (25, 5254000), (37, 3550000), (40, 3283750), (50, 2627000), (71, 1850000), (74, 1775000), (80, 1641875), (100, 1313500), (125, 1050800), (142, 925000), (148, 887500), (185, 710000), (200, 656750), (250, 525400), (284, 462500), (296, 443750), (355, 370000), (370, 355000), (400, 328375), (500, 262700), (568, 231250), (592, 221875), (625, 210160), (710, 185000), (740, 177500), (925, 142000), (1000, 131350), (1136, 115625), (1250, 105080), (1420, 92500), (1480, 88750), (1775, 74000), (1850, 71000), (2000, 65675), (2500, 52540), (2627, 50000), (2840, 46250), (2960, 44375), (3125, 42032), (3550, 37000), (3700, 35500), (4625, 28400), (5000, 26270), (5254, 25000), (5680, 23125), (6250, 21016), (7100, 18500), (7400, 17750), (8875, 14800), (9250, 14200), (10000, 13135), (10508, 12500)]