247924240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 596711808

約数和(自身を除く): 348787568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 344, 388, 430, 485, 688, 743, 776, 860, 970, 1486, 1552, 1720, 1940, 2972, 3440, 3715, 3880, 4171, 5944, 7430, 7760, 8342, 11888, 14860, 16684, 20855, 29720, 31949, 33368, 41710, 59440, 63898, 66736, 72071, 83420, 127796, 144142, 159745, 166840, 255592, 288284, 319490, 333680, 360355, 511184, 576568, 638980, 720710, 1153136, 1277960, 1441420, 2555920, 2882840, 3099053, 5765680, 6198106, 12396212, 15495265, 24792424, 30990530, 49584848, 61981060, 123962120, 247924240]

約数ペア:

[(1, 247924240), (2, 123962120), (4, 61981060), (5, 49584848), (8, 30990530), (10, 24792424), (16, 15495265), (20, 12396212), (40, 6198106), (43, 5765680), (80, 3099053), (86, 2882840), (97, 2555920), (172, 1441420), (194, 1277960), (215, 1153136), (344, 720710), (388, 638980), (430, 576568), (485, 511184), (688, 360355), (743, 333680), (776, 319490), (860, 288284), (970, 255592), (1486, 166840), (1552, 159745), (1720, 144142), (1940, 127796), (2972, 83420), (3440, 72071), (3715, 66736), (3880, 63898), (4171, 59440), (5944, 41710), (7430, 33368), (7760, 31949), (8342, 29720), (11888, 20855), (14860, 16684)]