725141680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{761}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 1733665824

約数和(自身を除く): 1008524144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 277, 344, 430, 554, 688, 761, 860, 1108, 1385, 1522, 1720, 2216, 2770, 3044, 3440, 3805, 4432, 5540, 6088, 7610, 11080, 11911, 12176, 15220, 22160, 23822, 30440, 32723, 47644, 59555, 60880, 65446, 95288, 119110, 130892, 163615, 190576, 210797, 238220, 261784, 327230, 421594, 476440, 523568, 654460, 843188, 952880, 1053985, 1308920, 1686376, 2107970, 2617840, 3372752, 4215940, 8431880, 9064271, 16863760, 18128542, 36257084, 45321355, 72514168, 90642710, 145028336, 181285420, 362570840, 725141680]

約数ペア:

[(1, 725141680), (2, 362570840), (4, 181285420), (5, 145028336), (8, 90642710), (10, 72514168), (16, 45321355), (20, 36257084), (40, 18128542), (43, 16863760), (80, 9064271), (86, 8431880), (172, 4215940), (215, 3372752), (277, 2617840), (344, 2107970), (430, 1686376), (554, 1308920), (688, 1053985), (761, 952880), (860, 843188), (1108, 654460), (1385, 523568), (1522, 476440), (1720, 421594), (2216, 327230), (2770, 261784), (3044, 238220), (3440, 210797), (3805, 190576), (4432, 163615), (5540, 130892), (6088, 119110), (7610, 95288), (11080, 65446), (11911, 60880), (12176, 59555), (15220, 47644), (22160, 32723), (23822, 30440)]