72847180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11071}}^1$

素因数の和:11134

約数の個数: 48

約数和(自身を含む): 178569216

約数和(自身を除く): 105722036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 11071, 22142, 44284, 55355, 77497, 110710, 154994, 221420, 309988, 387485, 520337, 774970, 1040674, 1549940, 2081348, 2601685, 3642359, 5203370, 7284718, 10406740, 14569436, 18211795, 36423590, 72847180]

約数ペア:

[(1, 72847180), (2, 36423590), (4, 18211795), (5, 14569436), (7, 10406740), (10, 7284718), (14, 5203370), (20, 3642359), (28, 2601685), (35, 2081348), (47, 1549940), (70, 1040674), (94, 774970), (140, 520337), (188, 387485), (235, 309988), (329, 221420), (470, 154994), (658, 110710), (940, 77497), (1316, 55355), (1645, 44284), (3290, 22142), (6580, 11071)]