51788940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123307}}^1$

素因数の和:123326

約数の個数: 48

約数和(自身を含む): 165725952

約数和(自身を除く): 113937012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123307, 246614, 369921, 493228, 616535, 739842, 863149, 1233070, 1479684, 1726298, 1849605, 2466140, 2589447, 3452596, 3699210, 4315745, 5178894, 7398420, 8631490, 10357788, 12947235, 17262980, 25894470, 51788940]

約数ペア:

[(1, 51788940), (2, 25894470), (3, 17262980), (4, 12947235), (5, 10357788), (6, 8631490), (7, 7398420), (10, 5178894), (12, 4315745), (14, 3699210), (15, 3452596), (20, 2589447), (21, 2466140), (28, 1849605), (30, 1726298), (35, 1479684), (42, 1233070), (60, 863149), (70, 739842), (84, 616535), (105, 493228), (140, 369921), (210, 246614), (420, 123307)]