52687740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17921}}^1$

素因数の和:17947

約数の個数: 72

約数和(自身を含む): 171621072

約数和(自身を除く): 118933332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 17921, 35842, 53763, 71684, 89605, 107526, 125447, 179210, 215052, 250894, 268815, 358420, 376341, 501788, 537630, 627235, 752682, 878129, 1075260, 1254470, 1505364, 1756258, 1881705, 2508940, 2634387, 3512516, 3763410, 4390645, 5268774, 7526820, 8781290, 10537548, 13171935, 17562580, 26343870, 52687740]

約数ペア:

[(1, 52687740), (2, 26343870), (3, 17562580), (4, 13171935), (5, 10537548), (6, 8781290), (7, 7526820), (10, 5268774), (12, 4390645), (14, 3763410), (15, 3512516), (20, 2634387), (21, 2508940), (28, 1881705), (30, 1756258), (35, 1505364), (42, 1254470), (49, 1075260), (60, 878129), (70, 752682), (84, 627235), (98, 537630), (105, 501788), (140, 376341), (147, 358420), (196, 268815), (210, 250894), (245, 215052), (294, 179210), (420, 125447), (490, 107526), (588, 89605), (735, 71684), (980, 53763), (1470, 35842), (2940, 17921)]