78173620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79769}}^1$

素因数の和:79792

約数の個数: 36

約数和(自身を含む): 190969380

約数和(自身を除く): 112795760

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79769, 159538, 319076, 398845, 558383, 797690, 1116766, 1595380, 2233532, 2791915, 3908681, 5583830, 7817362, 11167660, 15634724, 19543405, 39086810, 78173620]

約数ペア:

[(1, 78173620), (2, 39086810), (4, 19543405), (5, 15634724), (7, 11167660), (10, 7817362), (14, 5583830), (20, 3908681), (28, 2791915), (35, 2233532), (49, 1595380), (70, 1116766), (98, 797690), (140, 558383), (196, 398845), (245, 319076), (490, 159538), (980, 79769)]