85817870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^2$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 173229840

約数和(自身を除く): 87411970

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 163, 170, 190, 323, 326, 646, 815, 1615, 1630, 2771, 3097, 3230, 5542, 6194, 13855, 15485, 26569, 27710, 30970, 52649, 53138, 105298, 132845, 263245, 265690, 451673, 504811, 526490, 903346, 1009622, 2258365, 2524055, 4516730, 5048110, 8581787, 17163574, 42908935, 85817870]

約数ペア:

[(1, 85817870), (2, 42908935), (5, 17163574), (10, 8581787), (17, 5048110), (19, 4516730), (34, 2524055), (38, 2258365), (85, 1009622), (95, 903346), (163, 526490), (170, 504811), (190, 451673), (323, 265690), (326, 263245), (646, 132845), (815, 105298), (1615, 53138), (1630, 52649), (2771, 30970), (3097, 27710), (3230, 26569), (5542, 15485), (6194, 13855)]