78115940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5119}}^1$

素因数の和:5244

約数の個数: 48

約数和(自身を含む): 189235200

約数和(自身を除く): 111119260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5119, 7630, 10238, 15260, 20476, 25595, 35833, 51190, 71666, 102380, 143332, 179165, 358330, 557971, 716660, 1115942, 2231884, 2789855, 3905797, 5579710, 7811594, 11159420, 15623188, 19528985, 39057970, 78115940]

約数ペア:

[(1, 78115940), (2, 39057970), (4, 19528985), (5, 15623188), (7, 11159420), (10, 7811594), (14, 5579710), (20, 3905797), (28, 2789855), (35, 2231884), (70, 1115942), (109, 716660), (140, 557971), (218, 358330), (436, 179165), (545, 143332), (763, 102380), (1090, 71666), (1526, 51190), (2180, 35833), (3052, 25595), (3815, 20476), (5119, 15260), (7630, 10238)]