213608720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{701}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 537434352

約数和(自身を除く): 323825632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 293, 520, 586, 701, 1040, 1172, 1402, 1465, 2344, 2804, 2930, 3505, 3809, 4688, 5608, 5860, 7010, 7618, 9113, 11216, 11720, 14020, 15236, 18226, 19045, 23440, 28040, 30472, 36452, 38090, 45565, 56080, 60944, 72904, 76180, 91130, 145808, 152360, 182260, 205393, 304720, 364520, 410786, 729040, 821572, 1026965, 1643144, 2053930, 2670109, 3286288, 4107860, 5340218, 8215720, 10680436, 13350545, 16431440, 21360872, 26701090, 42721744, 53402180, 106804360, 213608720]

約数ペア:

[(1, 213608720), (2, 106804360), (4, 53402180), (5, 42721744), (8, 26701090), (10, 21360872), (13, 16431440), (16, 13350545), (20, 10680436), (26, 8215720), (40, 5340218), (52, 4107860), (65, 3286288), (80, 2670109), (104, 2053930), (130, 1643144), (208, 1026965), (260, 821572), (293, 729040), (520, 410786), (586, 364520), (701, 304720), (1040, 205393), (1172, 182260), (1402, 152360), (1465, 145808), (2344, 91130), (2804, 76180), (2930, 72904), (3505, 60944), (3809, 56080), (4688, 45565), (5608, 38090), (5860, 36452), (7010, 30472), (7618, 28040), (9113, 23440), (11216, 19045), (11720, 18226), (14020, 15236)]