30328060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4421}}^1$

素因数の和:4451

約数の個数: 48

約数和(自身を含む): 74289600

約数和(自身を除く): 43961540

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, 3430, 4421, 6860, 8842, 17684, 22105, 30947, 44210, 61894, 88420, 123788, 154735, 216629, 309470, 433258, 618940, 866516, 1083145, 1516403, 2166290, 3032806, 4332580, 6065612, 7582015, 15164030, 30328060]

約数ペア:

[(1, 30328060), (2, 15164030), (4, 7582015), (5, 6065612), (7, 4332580), (10, 3032806), (14, 2166290), (20, 1516403), (28, 1083145), (35, 866516), (49, 618940), (70, 433258), (98, 309470), (140, 216629), (196, 154735), (245, 123788), (343, 88420), (490, 61894), (686, 44210), (980, 30947), (1372, 22105), (1715, 17684), (3430, 8842), (4421, 6860)]