39399220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281423}}^1$

素因数の和:281439

約数の個数: 24

約数和(自身を含む): 94558464

約数和(自身を除く): 55159244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281423, 562846, 1125692, 1407115, 1969961, 2814230, 3939922, 5628460, 7879844, 9849805, 19699610, 39399220]

約数ペア:

[(1, 39399220), (2, 19699610), (4, 9849805), (5, 7879844), (7, 5628460), (10, 3939922), (14, 2814230), (20, 1969961), (28, 1407115), (35, 1125692), (70, 562846), (140, 281423)]