68713960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245407}}^1$

素因数の和:245425

約数の個数: 32

約数和(自身を含む): 176693760

約数和(自身を除く): 107979800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245407, 490814, 981628, 1227035, 1717849, 1963256, 2454070, 3435698, 4908140, 6871396, 8589245, 9816280, 13742792, 17178490, 34356980, 68713960]

約数ペア:

[(1, 68713960), (2, 34356980), (4, 17178490), (5, 13742792), (7, 9816280), (8, 8589245), (10, 6871396), (14, 4908140), (20, 3435698), (28, 2454070), (35, 1963256), (40, 1717849), (56, 1227035), (70, 981628), (140, 490814), (280, 245407)]