31339340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 69225408

約数和(自身を除く): 37886068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 193, 230, 353, 386, 460, 706, 772, 965, 1412, 1765, 1930, 3530, 3860, 4439, 7060, 8119, 8878, 16238, 17756, 22195, 32476, 40595, 44390, 68129, 81190, 88780, 136258, 162380, 272516, 340645, 681290, 1362580, 1566967, 3133934, 6267868, 7834835, 15669670, 31339340]

約数ペア:

[(1, 31339340), (2, 15669670), (4, 7834835), (5, 6267868), (10, 3133934), (20, 1566967), (23, 1362580), (46, 681290), (92, 340645), (115, 272516), (193, 162380), (230, 136258), (353, 88780), (386, 81190), (460, 68129), (706, 44390), (772, 40595), (965, 32476), (1412, 22195), (1765, 17756), (1930, 16238), (3530, 8878), (3860, 8119), (4439, 7060)]