78424220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{560173}}^1$

素因数の和:560189

約数の個数: 24

約数和(自身を含む): 188218464

約数和(自身を除く): 109794244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 560173, 1120346, 2240692, 2800865, 3921211, 5601730, 7842422, 11203460, 15684844, 19606055, 39212110, 78424220]

約数ペア:

[(1, 78424220), (2, 39212110), (4, 19606055), (5, 15684844), (7, 11203460), (10, 7842422), (14, 5601730), (20, 3921211), (28, 2800865), (35, 2240692), (70, 1120346), (140, 560173)]