2000179908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{2549}}^1$

素因数の和:2937

約数の個数: 72

約数和(自身を含む): 5145940800

約数和(自身を除く): 3145760892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 307, 426, 614, 639, 852, 921, 1228, 1278, 1842, 2549, 2556, 2763, 3684, 5098, 5526, 7647, 10196, 11052, 15294, 21797, 22941, 30588, 43594, 45882, 65391, 87188, 91764, 130782, 180979, 196173, 261564, 361958, 392346, 542937, 723916, 782543, 784692, 1085874, 1565086, 1628811, 2171748, 2347629, 3130172, 3257622, 4695258, 6515244, 7042887, 9390516, 14085774, 28171548, 55560553, 111121106, 166681659, 222242212, 333363318, 500044977, 666726636, 1000089954, 2000179908]

約数ペア:

[(1, 2000179908), (2, 1000089954), (3, 666726636), (4, 500044977), (6, 333363318), (9, 222242212), (12, 166681659), (18, 111121106), (36, 55560553), (71, 28171548), (142, 14085774), (213, 9390516), (284, 7042887), (307, 6515244), (426, 4695258), (614, 3257622), (639, 3130172), (852, 2347629), (921, 2171748), (1228, 1628811), (1278, 1565086), (1842, 1085874), (2549, 784692), (2556, 782543), (2763, 723916), (3684, 542937), (5098, 392346), (5526, 361958), (7647, 261564), (10196, 196173), (11052, 180979), (15294, 130782), (21797, 91764), (22941, 87188), (30588, 65391), (43594, 45882)]