2009150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 4405968

約数和(自身を除く): 2396818

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 281, 286, 325, 550, 562, 650, 715, 1405, 1430, 2810, 3091, 3575, 3653, 6182, 7025, 7150, 7306, 14050, 15455, 18265, 30910, 36530, 40183, 77275, 80366, 91325, 154550, 182650, 200915, 401830, 1004575, 2009150]

約数ペア:

[(1, 2009150), (2, 1004575), (5, 401830), (10, 200915), (11, 182650), (13, 154550), (22, 91325), (25, 80366), (26, 77275), (50, 40183), (55, 36530), (65, 30910), (110, 18265), (130, 15455), (143, 14050), (275, 7306), (281, 7150), (286, 7025), (325, 6182), (550, 3653), (562, 3575), (650, 3091), (715, 2810), (1405, 1430)]