87345860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3167}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 210760704

約数和(自身を除く): 123414844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3167, 3940, 5516, 6334, 6895, 12668, 13790, 15835, 22169, 27580, 31670, 44338, 63340, 88676, 110845, 221690, 443380, 623899, 1247798, 2495596, 3119495, 4367293, 6238990, 8734586, 12477980, 17469172, 21836465, 43672930, 87345860]

約数ペア:

[(1, 87345860), (2, 43672930), (4, 21836465), (5, 17469172), (7, 12477980), (10, 8734586), (14, 6238990), (20, 4367293), (28, 3119495), (35, 2495596), (70, 1247798), (140, 623899), (197, 443380), (394, 221690), (788, 110845), (985, 88676), (1379, 63340), (1970, 44338), (2758, 31670), (3167, 27580), (3940, 22169), (5516, 15835), (6334, 13790), (6895, 12668)]