3965820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 11201568

約数和(自身を除く): 7235748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 421, 471, 628, 785, 842, 942, 1263, 1570, 1684, 1884, 2105, 2355, 2526, 3140, 4210, 4710, 5052, 6315, 8420, 9420, 12630, 25260, 66097, 132194, 198291, 264388, 330485, 396582, 660970, 793164, 991455, 1321940, 1982910, 3965820]

約数ペア:

[(1, 3965820), (2, 1982910), (3, 1321940), (4, 991455), (5, 793164), (6, 660970), (10, 396582), (12, 330485), (15, 264388), (20, 198291), (30, 132194), (60, 66097), (157, 25260), (314, 12630), (421, 9420), (471, 8420), (628, 6315), (785, 5052), (842, 4710), (942, 4210), (1263, 3140), (1570, 2526), (1684, 2355), (1884, 2105)]