210319240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309293}}^1$

素因数の和:309321

約数の個数: 32

約数和(自身を含む): 501056280

約数和(自身を除く): 290737040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 309293, 618586, 1237172, 1546465, 2474344, 3092930, 5257981, 6185860, 10515962, 12371720, 21031924, 26289905, 42063848, 52579810, 105159620, 210319240]

約数ペア:

[(1, 210319240), (2, 105159620), (4, 52579810), (5, 42063848), (8, 26289905), (10, 21031924), (17, 12371720), (20, 10515962), (34, 6185860), (40, 5257981), (68, 3092930), (85, 2474344), (136, 1546465), (170, 1237172), (340, 618586), (680, 309293)]