9779980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{69857}}^1$

素因数の和:69873

約数の個数: 24

約数和(自身を含む): 23472288

約数和(自身を除く): 13692308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 69857, 139714, 279428, 349285, 488999, 698570, 977998, 1397140, 1955996, 2444995, 4889990, 9779980]

約数ペア:

[(1, 9779980), (2, 4889990), (4, 2444995), (5, 1955996), (7, 1397140), (10, 977998), (14, 698570), (20, 488999), (28, 349285), (35, 279428), (70, 139714), (140, 69857)]