16641380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16981}}^1$

素因数の和:17004

約数の個数: 36

約数和(自身を含む): 40654908

約数和(自身を除く): 24013528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16981, 33962, 67924, 84905, 118867, 169810, 237734, 339620, 475468, 594335, 832069, 1188670, 1664138, 2377340, 3328276, 4160345, 8320690, 16641380]

約数ペア:

[(1, 16641380), (2, 8320690), (4, 4160345), (5, 3328276), (7, 2377340), (10, 1664138), (14, 1188670), (20, 832069), (28, 594335), (35, 475468), (49, 339620), (70, 237734), (98, 169810), (140, 118867), (196, 84905), (245, 67924), (490, 33962), (980, 16981)]