312449720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1013}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 768774240

約数和(自身を除く): 456324520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 701, 1013, 1402, 2026, 2804, 3505, 4052, 5065, 5608, 7010, 7711, 8104, 10130, 11143, 14020, 15422, 20260, 22286, 28040, 30844, 38555, 40520, 44572, 55715, 61688, 77110, 89144, 111430, 154220, 222860, 308440, 445720, 710113, 1420226, 2840452, 3550565, 5680904, 7101130, 7811243, 14202260, 15622486, 28404520, 31244972, 39056215, 62489944, 78112430, 156224860, 312449720]

約数ペア:

[(1, 312449720), (2, 156224860), (4, 78112430), (5, 62489944), (8, 39056215), (10, 31244972), (11, 28404520), (20, 15622486), (22, 14202260), (40, 7811243), (44, 7101130), (55, 5680904), (88, 3550565), (110, 2840452), (220, 1420226), (440, 710113), (701, 445720), (1013, 308440), (1402, 222860), (2026, 154220), (2804, 111430), (3505, 89144), (4052, 77110), (5065, 61688), (5608, 55715), (7010, 44572), (7711, 40520), (8104, 38555), (10130, 30844), (11143, 28040), (14020, 22286), (15422, 20260)]