78334820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 170607360

約数和(自身を除く): 92272540

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1153, 1580, 2306, 3397, 4612, 5765, 6794, 11530, 13588, 16985, 23060, 33970, 49579, 67940, 91087, 99158, 182174, 198316, 247895, 364348, 455435, 495790, 910870, 991580, 1821740, 3916741, 7833482, 15666964, 19583705, 39167410, 78334820]

約数ペア:

[(1, 78334820), (2, 39167410), (4, 19583705), (5, 15666964), (10, 7833482), (20, 3916741), (43, 1821740), (79, 991580), (86, 910870), (158, 495790), (172, 455435), (215, 364348), (316, 247895), (395, 198316), (430, 182174), (790, 99158), (860, 91087), (1153, 67940), (1580, 49579), (2306, 33970), (3397, 23060), (4612, 16985), (5765, 13588), (6794, 11530)]