52380580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2731}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 126677376

約数和(自身を除く): 74296796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2731, 2740, 3836, 4795, 5462, 9590, 10924, 13655, 19117, 19180, 27310, 38234, 54620, 76468, 95585, 191170, 374147, 382340, 748294, 1496588, 1870735, 2619029, 3741470, 5238058, 7482940, 10476116, 13095145, 26190290, 52380580]

約数ペア:

[(1, 52380580), (2, 26190290), (4, 13095145), (5, 10476116), (7, 7482940), (10, 5238058), (14, 3741470), (20, 2619029), (28, 1870735), (35, 1496588), (70, 748294), (137, 382340), (140, 374147), (274, 191170), (548, 95585), (685, 76468), (959, 54620), (1370, 38234), (1918, 27310), (2731, 19180), (2740, 19117), (3836, 13655), (4795, 10924), (5462, 9590)]