1989130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 4269024

約数和(自身を除く): 2279894

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 107, 110, 130, 143, 169, 214, 286, 338, 535, 715, 845, 1070, 1177, 1391, 1430, 1690, 1859, 2354, 2782, 3718, 5885, 6955, 9295, 11770, 13910, 15301, 18083, 18590, 30602, 36166, 76505, 90415, 153010, 180830, 198913, 397826, 994565, 1989130]

約数ペア:

[(1, 1989130), (2, 994565), (5, 397826), (10, 198913), (11, 180830), (13, 153010), (22, 90415), (26, 76505), (55, 36166), (65, 30602), (107, 18590), (110, 18083), (130, 15301), (143, 13910), (169, 11770), (214, 9295), (286, 6955), (338, 5885), (535, 3718), (715, 2782), (845, 2354), (1070, 1859), (1177, 1690), (1391, 1430)]