30798940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 66487680

約数和(自身を除く): 35688740

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 193, 202, 316, 386, 395, 404, 505, 772, 790, 965, 1010, 1580, 1930, 2020, 3860, 7979, 15247, 15958, 19493, 30494, 31916, 38986, 39895, 60988, 76235, 77972, 79790, 97465, 152470, 159580, 194930, 304940, 389860, 1539947, 3079894, 6159788, 7699735, 15399470, 30798940]

約数ペア:

[(1, 30798940), (2, 15399470), (4, 7699735), (5, 6159788), (10, 3079894), (20, 1539947), (79, 389860), (101, 304940), (158, 194930), (193, 159580), (202, 152470), (316, 97465), (386, 79790), (395, 77972), (404, 76235), (505, 60988), (772, 39895), (790, 38986), (965, 31916), (1010, 30494), (1580, 19493), (1930, 15958), (2020, 15247), (3860, 7979)]