1800050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 3958080

約数和(自身を除く): 2158030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 74, 139, 175, 185, 259, 278, 350, 370, 518, 695, 925, 973, 1295, 1390, 1850, 1946, 2590, 3475, 4865, 5143, 6475, 6950, 9730, 10286, 12950, 24325, 25715, 36001, 48650, 51430, 72002, 128575, 180005, 257150, 360010, 900025, 1800050]

約数ペア:

[(1, 1800050), (2, 900025), (5, 360010), (7, 257150), (10, 180005), (14, 128575), (25, 72002), (35, 51430), (37, 48650), (50, 36001), (70, 25715), (74, 24325), (139, 12950), (175, 10286), (185, 9730), (259, 6950), (278, 6475), (350, 5143), (370, 4865), (518, 3475), (695, 2590), (925, 1946), (973, 1850), (1295, 1390)]