140681548

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 309911280

約数和(自身を除く): 169229732

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 74, 76, 98, 133, 148, 196, 259, 266, 518, 532, 703, 931, 1021, 1036, 1406, 1813, 1862, 2042, 2812, 3626, 3724, 4084, 4921, 7147, 7252, 9842, 14294, 19399, 19684, 28588, 34447, 37777, 38798, 50029, 68894, 75554, 77596, 100058, 135793, 137788, 151108, 200116, 264439, 271586, 528878, 543172, 717763, 950551, 1057756, 1435526, 1851073, 1901102, 2871052, 3702146, 3802204, 5024341, 7404292, 10048682, 20097364, 35170387, 70340774, 140681548]

約数ペア:

[(1, 140681548), (2, 70340774), (4, 35170387), (7, 20097364), (14, 10048682), (19, 7404292), (28, 5024341), (37, 3802204), (38, 3702146), (49, 2871052), (74, 1901102), (76, 1851073), (98, 1435526), (133, 1057756), (148, 950551), (196, 717763), (259, 543172), (266, 528878), (518, 271586), (532, 264439), (703, 200116), (931, 151108), (1021, 137788), (1036, 135793), (1406, 100058), (1813, 77596), (1862, 75554), (2042, 68894), (2812, 50029), (3626, 38798), (3724, 37777), (4084, 34447), (4921, 28588), (7147, 19684), (7252, 19399), (9842, 14294)]