151320820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{154409}}^1$

素因数の和:154432

約数の個数: 36

約数和(自身を含む): 369657540

約数和(自身を除く): 218336720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 154409, 308818, 617636, 772045, 1080863, 1544090, 2161726, 3088180, 4323452, 5404315, 7566041, 10808630, 15132082, 21617260, 30264164, 37830205, 75660410, 151320820]

約数ペア:

[(1, 151320820), (2, 75660410), (4, 37830205), (5, 30264164), (7, 21617260), (10, 15132082), (14, 10808630), (20, 7566041), (28, 5404315), (35, 4323452), (49, 3088180), (70, 2161726), (98, 1544090), (140, 1080863), (196, 772045), (245, 617636), (490, 308818), (980, 154409)]