211045520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12157}}^1$

素因数の和:12208

約数の個数: 80

約数和(自身を含む): 578915328

約数和(自身を除く): 367869808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12157, 17360, 24314, 48628, 60785, 85099, 97256, 121570, 170198, 194512, 243140, 340396, 376867, 425495, 486280, 680792, 753734, 850990, 972560, 1361584, 1507468, 1701980, 1884335, 2638069, 3014936, 3403960, 3768670, 5276138, 6029872, 6807920, 7537340, 10552276, 13190345, 15074680, 21104552, 26380690, 30149360, 42209104, 52761380, 105522760, 211045520]

約数ペア:

[(1, 211045520), (2, 105522760), (4, 52761380), (5, 42209104), (7, 30149360), (8, 26380690), (10, 21104552), (14, 15074680), (16, 13190345), (20, 10552276), (28, 7537340), (31, 6807920), (35, 6029872), (40, 5276138), (56, 3768670), (62, 3403960), (70, 3014936), (80, 2638069), (112, 1884335), (124, 1701980), (140, 1507468), (155, 1361584), (217, 972560), (248, 850990), (280, 753734), (310, 680792), (434, 486280), (496, 425495), (560, 376867), (620, 340396), (868, 243140), (1085, 194512), (1240, 170198), (1736, 121570), (2170, 97256), (2480, 85099), (3472, 60785), (4340, 48628), (8680, 24314), (12157, 17360)]