38421880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19603}}^1$

素因数の和:19628

約数の個数: 48

約数和(自身を含む): 100568520

約数和(自身を除く): 62146640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19603, 39206, 78412, 98015, 137221, 156824, 196030, 274442, 392060, 548884, 686105, 784120, 960547, 1097768, 1372210, 1921094, 2744420, 3842188, 4802735, 5488840, 7684376, 9605470, 19210940, 38421880]

約数ペア:

[(1, 38421880), (2, 19210940), (4, 9605470), (5, 7684376), (7, 5488840), (8, 4802735), (10, 3842188), (14, 2744420), (20, 1921094), (28, 1372210), (35, 1097768), (40, 960547), (49, 784120), (56, 686105), (70, 548884), (98, 392060), (140, 274442), (196, 196030), (245, 156824), (280, 137221), (392, 98015), (490, 78412), (980, 39206), (1960, 19603)]