72724820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{74209}}^1$

素因数の和:74232

約数の個数: 36

約数和(自身を含む): 177658740

約数和(自身を除く): 104933920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 74209, 148418, 296836, 371045, 519463, 742090, 1038926, 1484180, 2077852, 2597315, 3636241, 5194630, 7272482, 10389260, 14544964, 18181205, 36362410, 72724820]

約数ペア:

[(1, 72724820), (2, 36362410), (4, 18181205), (5, 14544964), (7, 10389260), (10, 7272482), (14, 5194630), (20, 3636241), (28, 2597315), (35, 2077852), (49, 1484180), (70, 1038926), (98, 742090), (140, 519463), (196, 371045), (245, 296836), (490, 148418), (980, 74209)]