2015143420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{11071}}^1$

素因数の和:11578

約数の個数: 48

約数和(自身を含む): 4464230400

約数和(自身を除く): 2449086980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 479, 958, 1916, 2395, 4790, 9101, 9580, 11071, 18202, 22142, 36404, 44284, 45505, 55355, 91010, 110710, 182020, 210349, 221420, 420698, 841396, 1051745, 2103490, 4206980, 5303009, 10606018, 21212036, 26515045, 53030090, 100757171, 106060180, 201514342, 403028684, 503785855, 1007571710, 2015143420]

約数ペア:

[(1, 2015143420), (2, 1007571710), (4, 503785855), (5, 403028684), (10, 201514342), (19, 106060180), (20, 100757171), (38, 53030090), (76, 26515045), (95, 21212036), (190, 10606018), (380, 5303009), (479, 4206980), (958, 2103490), (1916, 1051745), (2395, 841396), (4790, 420698), (9101, 221420), (9580, 210349), (11071, 182020), (18202, 110710), (22142, 91010), (36404, 55355), (44284, 45505)]