331784560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2243}}^1$

素因数の和:2342

約数の個数: 60

約数和(自身を含む): 790107912

約数和(自身を除く): 458323352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 1849, 2243, 3440, 3698, 4486, 7396, 8972, 9245, 11215, 14792, 17944, 18490, 22430, 29584, 35888, 36980, 44860, 73960, 89720, 96449, 147920, 179440, 192898, 385796, 482245, 771592, 964490, 1543184, 1928980, 3857960, 4147307, 7715920, 8294614, 16589228, 20736535, 33178456, 41473070, 66356912, 82946140, 165892280, 331784560]

約数ペア:

[(1, 331784560), (2, 165892280), (4, 82946140), (5, 66356912), (8, 41473070), (10, 33178456), (16, 20736535), (20, 16589228), (40, 8294614), (43, 7715920), (80, 4147307), (86, 3857960), (172, 1928980), (215, 1543184), (344, 964490), (430, 771592), (688, 482245), (860, 385796), (1720, 192898), (1849, 179440), (2243, 147920), (3440, 96449), (3698, 89720), (4486, 73960), (7396, 44860), (8972, 36980), (9245, 35888), (11215, 29584), (14792, 22430), (17944, 18490)]