280865988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1074

約数の個数: 96

約数和(自身を含む): 788296320

約数和(自身を除く): 507430332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 251, 351, 468, 502, 702, 753, 797, 1004, 1404, 1506, 1594, 2259, 2391, 3012, 3188, 3263, 4518, 4782, 6526, 6777, 7173, 9036, 9564, 9789, 10361, 13052, 13554, 14346, 19578, 20722, 21519, 27108, 28692, 29367, 31083, 39156, 41444, 43038, 58734, 62166, 86076, 88101, 93249, 117468, 124332, 176202, 186498, 200047, 279747, 352404, 372996, 400094, 559494, 600141, 800188, 1118988, 1200282, 1800423, 2400564, 2600611, 3600846, 5201222, 5401269, 7201692, 7801833, 10402444, 10802538, 15603666, 21605076, 23405499, 31207332, 46810998, 70216497, 93621996, 140432994, 280865988]

約数ペア:

[(1, 280865988), (2, 140432994), (3, 93621996), (4, 70216497), (6, 46810998), (9, 31207332), (12, 23405499), (13, 21605076), (18, 15603666), (26, 10802538), (27, 10402444), (36, 7801833), (39, 7201692), (52, 5401269), (54, 5201222), (78, 3600846), (108, 2600611), (117, 2400564), (156, 1800423), (234, 1200282), (251, 1118988), (351, 800188), (468, 600141), (502, 559494), (702, 400094), (753, 372996), (797, 352404), (1004, 279747), (1404, 200047), (1506, 186498), (1594, 176202), (2259, 124332), (2391, 117468), (3012, 93249), (3188, 88101), (3263, 86076), (4518, 62166), (4782, 58734), (6526, 43038), (6777, 41444), (7173, 39156), (9036, 31083), (9564, 29367), (9789, 28692), (10361, 27108), (13052, 21519), (13554, 20722), (14346, 19578)]