381942320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:838

約数の個数: 80

約数和(自身を含む): 921393408

約数和(自身を除く): 539451088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 337, 457, 496, 620, 674, 914, 1240, 1348, 1685, 1828, 2285, 2480, 2696, 3370, 3656, 4570, 5392, 6740, 7312, 9140, 10447, 13480, 14167, 18280, 20894, 26960, 28334, 36560, 41788, 52235, 56668, 70835, 83576, 104470, 113336, 141670, 154009, 167152, 208940, 226672, 283340, 308018, 417880, 566680, 616036, 770045, 835760, 1133360, 1232072, 1540090, 2464144, 3080180, 4774279, 6160360, 9548558, 12320720, 19097116, 23871395, 38194232, 47742790, 76388464, 95485580, 190971160, 381942320]

約数ペア:

[(1, 381942320), (2, 190971160), (4, 95485580), (5, 76388464), (8, 47742790), (10, 38194232), (16, 23871395), (20, 19097116), (31, 12320720), (40, 9548558), (62, 6160360), (80, 4774279), (124, 3080180), (155, 2464144), (248, 1540090), (310, 1232072), (337, 1133360), (457, 835760), (496, 770045), (620, 616036), (674, 566680), (914, 417880), (1240, 308018), (1348, 283340), (1685, 226672), (1828, 208940), (2285, 167152), (2480, 154009), (2696, 141670), (3370, 113336), (3656, 104470), (4570, 83576), (5392, 70835), (6740, 56668), (7312, 52235), (9140, 41788), (10447, 36560), (13480, 28334), (14167, 26960), (18280, 20894)]