81711850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 176774400

約数和(自身を除く): 95062550

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 47, 50, 55, 58, 94, 109, 110, 145, 218, 235, 275, 290, 319, 470, 517, 545, 550, 638, 725, 1034, 1090, 1175, 1199, 1363, 1450, 1595, 2350, 2398, 2585, 2725, 2726, 3161, 3190, 5123, 5170, 5450, 5995, 6322, 6815, 7975, 10246, 11990, 12925, 13630, 14993, 15805, 15950, 25615, 25850, 29975, 29986, 31610, 34075, 34771, 51230, 56353, 59950, 68150, 69542, 74965, 79025, 112706, 128075, 148567, 149930, 158050, 173855, 256150, 281765, 297134, 347710, 374825, 563530, 742835, 749650, 869275, 1408825, 1485670, 1634237, 1738550, 2817650, 3268474, 3714175, 7428350, 8171185, 16342370, 40855925, 81711850]

約数ペア:

[(1, 81711850), (2, 40855925), (5, 16342370), (10, 8171185), (11, 7428350), (22, 3714175), (25, 3268474), (29, 2817650), (47, 1738550), (50, 1634237), (55, 1485670), (58, 1408825), (94, 869275), (109, 749650), (110, 742835), (145, 563530), (218, 374825), (235, 347710), (275, 297134), (290, 281765), (319, 256150), (470, 173855), (517, 158050), (545, 149930), (550, 148567), (638, 128075), (725, 112706), (1034, 79025), (1090, 74965), (1175, 69542), (1199, 68150), (1363, 59950), (1450, 56353), (1595, 51230), (2350, 34771), (2398, 34075), (2585, 31610), (2725, 29986), (2726, 29975), (3161, 25850), (3190, 25615), (5123, 15950), (5170, 15805), (5450, 14993), (5995, 13630), (6322, 12925), (6815, 11990), (7975, 10246)]