204540560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{365251}}^1$

素因数の和:365271

約数の個数: 40

約数和(自身を含む): 543494976

約数和(自身を除く): 338954416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 365251, 730502, 1461004, 1826255, 2556757, 2922008, 3652510, 5113514, 5844016, 7305020, 10227028, 12783785, 14610040, 20454056, 25567570, 29220080, 40908112, 51135140, 102270280, 204540560]

約数ペア:

[(1, 204540560), (2, 102270280), (4, 51135140), (5, 40908112), (7, 29220080), (8, 25567570), (10, 20454056), (14, 14610040), (16, 12783785), (20, 10227028), (28, 7305020), (35, 5844016), (40, 5113514), (56, 3652510), (70, 2922008), (80, 2556757), (112, 1826255), (140, 1461004), (280, 730502), (560, 365251)]