2018804780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{7019}}^1$

素因数の和:7298

約数の個数: 48

約数和(自身を含む): 4319995680

約数和(自身を除く): 2301190900

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 292, 365, 394, 730, 788, 985, 1460, 1970, 3940, 7019, 14038, 14381, 28076, 28762, 35095, 57524, 70190, 71905, 140380, 143810, 287620, 512387, 1024774, 1382743, 2049548, 2561935, 2765486, 5123870, 5530972, 6913715, 10247740, 13827430, 27654860, 100940239, 201880478, 403760956, 504701195, 1009402390, 2018804780]

約数ペア:

[(1, 2018804780), (2, 1009402390), (4, 504701195), (5, 403760956), (10, 201880478), (20, 100940239), (73, 27654860), (146, 13827430), (197, 10247740), (292, 6913715), (365, 5530972), (394, 5123870), (730, 2765486), (788, 2561935), (985, 2049548), (1460, 1382743), (1970, 1024774), (3940, 512387), (7019, 287620), (14038, 143810), (14381, 140380), (28076, 71905), (28762, 70190), (35095, 57524)]