86656360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 224104320

約数和(自身を除く): 137447960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1571, 1576, 1970, 2758, 3142, 3940, 5516, 6284, 6895, 7855, 7880, 10997, 11032, 12568, 13790, 15710, 21994, 27580, 31420, 43988, 54985, 55160, 62840, 87976, 109970, 219940, 309487, 439880, 618974, 1237948, 1547435, 2166409, 2475896, 3094870, 4332818, 6189740, 8665636, 10832045, 12379480, 17331272, 21664090, 43328180, 86656360]

約数ペア:

[(1, 86656360), (2, 43328180), (4, 21664090), (5, 17331272), (7, 12379480), (8, 10832045), (10, 8665636), (14, 6189740), (20, 4332818), (28, 3094870), (35, 2475896), (40, 2166409), (56, 1547435), (70, 1237948), (140, 618974), (197, 439880), (280, 309487), (394, 219940), (788, 109970), (985, 87976), (1379, 62840), (1571, 55160), (1576, 54985), (1970, 43988), (2758, 31420), (3142, 27580), (3940, 21994), (5516, 15710), (6284, 13790), (6895, 12568), (7855, 11032), (7880, 10997)]