72725240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{259733}}^1$

素因数の和:259751

約数の個数: 32

約数和(自身を含む): 187008480

約数和(自身を除く): 114283240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 259733, 519466, 1038932, 1298665, 1818131, 2077864, 2597330, 3636262, 5194660, 7272524, 9090655, 10389320, 14545048, 18181310, 36362620, 72725240]

約数ペア:

[(1, 72725240), (2, 36362620), (4, 18181310), (5, 14545048), (7, 10389320), (8, 9090655), (10, 7272524), (14, 5194660), (20, 3636262), (28, 2597330), (35, 2077864), (40, 1818131), (56, 1298665), (70, 1038932), (140, 519466), (280, 259733)]