30088940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30703}}^1$

素因数の和:30726

約数の個数: 36

約数和(自身を含む): 73505376

約数和(自身を除く): 43416436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 30703, 61406, 122812, 153515, 214921, 307030, 429842, 614060, 859684, 1074605, 1504447, 2149210, 3008894, 4298420, 6017788, 7522235, 15044470, 30088940]

約数ペア:

[(1, 30088940), (2, 15044470), (4, 7522235), (5, 6017788), (7, 4298420), (10, 3008894), (14, 2149210), (20, 1504447), (28, 1074605), (35, 859684), (49, 614060), (70, 429842), (98, 307030), (140, 214921), (196, 153515), (245, 122812), (490, 61406), (980, 30703)]