16786420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2447}}^1$

素因数の和:2477

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 24339980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2447, 3430, 4894, 6860, 9788, 12235, 17129, 24470, 34258, 48940, 68516, 85645, 119903, 171290, 239806, 342580, 479612, 599515, 839321, 1199030, 1678642, 2398060, 3357284, 4196605, 8393210, 16786420]

約数ペア:

[(1, 16786420), (2, 8393210), (4, 4196605), (5, 3357284), (7, 2398060), (10, 1678642), (14, 1199030), (20, 839321), (28, 599515), (35, 479612), (49, 342580), (70, 239806), (98, 171290), (140, 119903), (196, 85645), (245, 68516), (343, 48940), (490, 34258), (686, 24470), (980, 17129), (1372, 12235), (1715, 9788), (2447, 6860), (3430, 4894)]