1978480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3533}}^1$

素因数の和:3553

約数の個数: 40

約数和(自身を含む): 5258592

約数和(自身を除く): 3280112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3533, 7066, 14132, 17665, 24731, 28264, 35330, 49462, 56528, 70660, 98924, 123655, 141320, 197848, 247310, 282640, 395696, 494620, 989240, 1978480]

約数ペア:

[(1, 1978480), (2, 989240), (4, 494620), (5, 395696), (7, 282640), (8, 247310), (10, 197848), (14, 141320), (16, 123655), (20, 98924), (28, 70660), (35, 56528), (40, 49462), (56, 35330), (70, 28264), (80, 24731), (112, 17665), (140, 14132), (280, 7066), (560, 3533)]