201956020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3527}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 486017280

約数和(自身を除く): 284061260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 3527, 4090, 5726, 7054, 8180, 11452, 14108, 14315, 17635, 24689, 28630, 35270, 49378, 57260, 70540, 98756, 123445, 246890, 493780, 1442543, 2885086, 5770172, 7212715, 10097801, 14425430, 20195602, 28850860, 40391204, 50489005, 100978010, 201956020]

約数ペア:

[(1, 201956020), (2, 100978010), (4, 50489005), (5, 40391204), (7, 28850860), (10, 20195602), (14, 14425430), (20, 10097801), (28, 7212715), (35, 5770172), (70, 2885086), (140, 1442543), (409, 493780), (818, 246890), (1636, 123445), (2045, 98756), (2863, 70540), (3527, 57260), (4090, 49378), (5726, 35270), (7054, 28630), (8180, 24689), (11452, 17635), (14108, 14315)]