87728620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89519}}^1$

素因数の和:89542

約数の個数: 36

約数和(自身を含む): 214310880

約数和(自身を除く): 126582260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89519, 179038, 358076, 447595, 626633, 895190, 1253266, 1790380, 2506532, 3133165, 4386431, 6266330, 8772862, 12532660, 17545724, 21932155, 43864310, 87728620]

約数ペア:

[(1, 87728620), (2, 43864310), (4, 21932155), (5, 17545724), (7, 12532660), (10, 8772862), (14, 6266330), (20, 4386431), (28, 3133165), (35, 2506532), (49, 1790380), (70, 1253266), (98, 895190), (140, 626633), (196, 447595), (245, 358076), (490, 179038), (980, 89519)]