207971080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{140521}}^1$

素因数の和:140569

約数の個数: 32

約数和(自身を含む): 480585240

約数和(自身を除く): 272614160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 140521, 281042, 562084, 702605, 1124168, 1405210, 2810420, 5199277, 5620840, 10398554, 20797108, 25996385, 41594216, 51992770, 103985540, 207971080]

約数ペア:

[(1, 207971080), (2, 103985540), (4, 51992770), (5, 41594216), (8, 25996385), (10, 20797108), (20, 10398554), (37, 5620840), (40, 5199277), (74, 2810420), (148, 1405210), (185, 1124168), (296, 702605), (370, 562084), (740, 281042), (1480, 140521)]