201407980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{530021}}^1$

素因数の和:530049

約数の個数: 24

約数和(自身を含む): 445218480

約数和(自身を除く): 243810500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 530021, 1060042, 2120084, 2650105, 5300210, 10070399, 10600420, 20140798, 40281596, 50351995, 100703990, 201407980]

約数ペア:

[(1, 201407980), (2, 100703990), (4, 50351995), (5, 40281596), (10, 20140798), (19, 10600420), (20, 10070399), (38, 5300210), (76, 2650105), (95, 2120084), (190, 1060042), (380, 530021)]