281680256

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1448

約数の個数: 96

約数和(自身を含む): 664734000

約数和(自身を除く): 383053744

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 121, 128, 143, 176, 208, 242, 286, 352, 416, 484, 572, 704, 832, 968, 1144, 1399, 1408, 1573, 1664, 1936, 2288, 2798, 3146, 3872, 4576, 5596, 6292, 7744, 9152, 11192, 12584, 15389, 15488, 18187, 18304, 22384, 25168, 30778, 36374, 44768, 50336, 61556, 72748, 89536, 100672, 123112, 145496, 169279, 179072, 200057, 201344, 246224, 290992, 338558, 400114, 492448, 581984, 677116, 800228, 984896, 1163968, 1354232, 1600456, 1969792, 2200627, 2327936, 2708464, 3200912, 4401254, 5416928, 6401824, 8802508, 10833856, 12803648, 17605016, 21667712, 25607296, 35210032, 70420064, 140840128, 281680256]

約数ペア:

[(1, 281680256), (2, 140840128), (4, 70420064), (8, 35210032), (11, 25607296), (13, 21667712), (16, 17605016), (22, 12803648), (26, 10833856), (32, 8802508), (44, 6401824), (52, 5416928), (64, 4401254), (88, 3200912), (104, 2708464), (121, 2327936), (128, 2200627), (143, 1969792), (176, 1600456), (208, 1354232), (242, 1163968), (286, 984896), (352, 800228), (416, 677116), (484, 581984), (572, 492448), (704, 400114), (832, 338558), (968, 290992), (1144, 246224), (1399, 201344), (1408, 200057), (1573, 179072), (1664, 169279), (1936, 145496), (2288, 123112), (2798, 100672), (3146, 89536), (3872, 72748), (4576, 61556), (5596, 50336), (6292, 44768), (7744, 36374), (9152, 30778), (11192, 25168), (12584, 22384), (15389, 18304), (15488, 18187)]