78968260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{564059}}^1$

素因数の和:564075

約数の個数: 24

約数和(自身を含む): 189524160

約数和(自身を除く): 110555900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 564059, 1128118, 2256236, 2820295, 3948413, 5640590, 7896826, 11281180, 15793652, 19742065, 39484130, 78968260]

約数ペア:

[(1, 78968260), (2, 39484130), (4, 19742065), (5, 15793652), (7, 11281180), (10, 7896826), (14, 5640590), (20, 3948413), (28, 2820295), (35, 2256236), (70, 1128118), (140, 564059)]