201871740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480647}}^1$

素因数の和:480666

約数の個数: 48

約数和(自身を含む): 645990912

約数和(自身を除く): 444119172

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, 480647, 961294, 1441941, 1922588, 2403235, 2883882, 3364529, 4806470, 5767764, 6729058, 7209705, 9612940, 10093587, 13458116, 14419410, 16822645, 20187174, 28838820, 33645290, 40374348, 50467935, 67290580, 100935870, 201871740]

約数ペア:

[(1, 201871740), (2, 100935870), (3, 67290580), (4, 50467935), (5, 40374348), (6, 33645290), (7, 28838820), (10, 20187174), (12, 16822645), (14, 14419410), (15, 13458116), (20, 10093587), (21, 9612940), (28, 7209705), (30, 6729058), (35, 5767764), (42, 4806470), (60, 3364529), (70, 2883882), (84, 2403235), (105, 1922588), (140, 1441941), (210, 961294), (420, 480647)]