8996890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 19641600

約数和(自身を除く): 10644710

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 61, 70, 86, 98, 122, 215, 245, 301, 305, 343, 427, 430, 490, 602, 610, 686, 854, 1505, 1715, 2107, 2135, 2623, 2989, 3010, 3430, 4214, 4270, 5246, 5978, 10535, 13115, 14749, 14945, 18361, 20923, 21070, 26230, 29498, 29890, 36722, 41846, 73745, 91805, 104615, 128527, 147490, 183610, 209230, 257054, 642635, 899689, 1285270, 1799378, 4498445, 8996890]

約数ペア:

[(1, 8996890), (2, 4498445), (5, 1799378), (7, 1285270), (10, 899689), (14, 642635), (35, 257054), (43, 209230), (49, 183610), (61, 147490), (70, 128527), (86, 104615), (98, 91805), (122, 73745), (215, 41846), (245, 36722), (301, 29890), (305, 29498), (343, 26230), (427, 21070), (430, 20923), (490, 18361), (602, 14945), (610, 14749), (686, 13115), (854, 10535), (1505, 5978), (1715, 5246), (2107, 4270), (2135, 4214), (2623, 3430), (2989, 3010)]