989240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3533}}^1$

素因数の和:3551

約数の個数: 32

約数和(自身を含む): 2544480

約数和(自身を除く): 1555240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3533, 7066, 14132, 17665, 24731, 28264, 35330, 49462, 70660, 98924, 123655, 141320, 197848, 247310, 494620, 989240]

約数ペア:

[(1, 989240), (2, 494620), (4, 247310), (5, 197848), (7, 141320), (8, 123655), (10, 98924), (14, 70660), (20, 49462), (28, 35330), (35, 28264), (40, 24731), (56, 17665), (70, 14132), (140, 7066), (280, 3533)]