210397760

素因数分解:

$2^6\times 5^1\times {\mathrm{657493}}^1$

素因数の和:657510

約数の個数: 28

約数和(自身を含む): 501010428

約数和(自身を除く): 290612668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 657493, 1314986, 2629972, 3287465, 5259944, 6574930, 10519888, 13149860, 21039776, 26299720, 42079552, 52599440, 105198880, 210397760]

約数ペア:

[(1, 210397760), (2, 105198880), (4, 52599440), (5, 42079552), (8, 26299720), (10, 21039776), (16, 13149860), (20, 10519888), (32, 6574930), (40, 5259944), (64, 3287465), (80, 2629972), (160, 1314986), (320, 657493)]