1021430140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{19441}}^1$

素因数の和:19558

約数の個数: 48

約数和(自身を含む): 2234119104

約数和(自身を除く): 1212688964

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 5254, 10508, 13135, 19441, 26270, 38882, 52540, 77764, 97205, 194410, 388820, 719317, 1380311, 1438634, 2760622, 2877268, 3596585, 5521244, 6901555, 7193170, 13803110, 14386340, 27606220, 51071507, 102143014, 204286028, 255357535, 510715070, 1021430140]

約数ペア:

[(1, 1021430140), (2, 510715070), (4, 255357535), (5, 204286028), (10, 102143014), (20, 51071507), (37, 27606220), (71, 14386340), (74, 13803110), (142, 7193170), (148, 6901555), (185, 5521244), (284, 3596585), (355, 2877268), (370, 2760622), (710, 1438634), (740, 1380311), (1420, 719317), (2627, 388820), (5254, 194410), (10508, 97205), (13135, 77764), (19441, 52540), (26270, 38882)]