28144340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201031}}^1$

素因数の和:201047

約数の個数: 24

約数和(自身を含む): 67546752

約数和(自身を除く): 39402412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201031, 402062, 804124, 1005155, 1407217, 2010310, 2814434, 4020620, 5628868, 7036085, 14072170, 28144340]

約数ペア:

[(1, 28144340), (2, 14072170), (4, 7036085), (5, 5628868), (7, 4020620), (10, 2814434), (14, 2010310), (20, 1407217), (28, 1005155), (35, 804124), (70, 402062), (140, 201031)]