1855740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 5255712

約数和(自身を除く): 3399972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 197, 314, 394, 471, 591, 628, 785, 788, 942, 985, 1182, 1570, 1884, 1970, 2355, 2364, 2955, 3140, 3940, 4710, 5910, 9420, 11820, 30929, 61858, 92787, 123716, 154645, 185574, 309290, 371148, 463935, 618580, 927870, 1855740]

約数ペア:

[(1, 1855740), (2, 927870), (3, 618580), (4, 463935), (5, 371148), (6, 309290), (10, 185574), (12, 154645), (15, 123716), (20, 92787), (30, 61858), (60, 30929), (157, 11820), (197, 9420), (314, 5910), (394, 4710), (471, 3940), (591, 3140), (628, 2955), (785, 2364), (788, 2355), (942, 1970), (985, 1884), (1182, 1570)]