7876890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{12503}}^1$

素因数の和:12523

約数の個数: 48

約数和(自身を含む): 23407488

約数和(自身を除く): 15530598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 12503, 25006, 37509, 62515, 75018, 87521, 112527, 125030, 175042, 187545, 225054, 262563, 375090, 437605, 525126, 562635, 787689, 875210, 1125270, 1312815, 1575378, 2625630, 3938445, 7876890]

約数ペア:

[(1, 7876890), (2, 3938445), (3, 2625630), (5, 1575378), (6, 1312815), (7, 1125270), (9, 875210), (10, 787689), (14, 562635), (15, 525126), (18, 437605), (21, 375090), (30, 262563), (35, 225054), (42, 187545), (45, 175042), (63, 125030), (70, 112527), (90, 87521), (105, 75018), (126, 62515), (210, 37509), (315, 25006), (630, 12503)]