259778868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 668304000

約数和(自身を除く): 408525132

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 101, 114, 116, 174, 202, 228, 303, 348, 389, 404, 551, 606, 778, 1102, 1167, 1212, 1556, 1653, 1919, 2204, 2334, 2929, 3306, 3838, 4668, 5757, 5858, 6612, 7391, 7676, 8787, 11281, 11514, 11716, 14782, 17574, 22173, 22562, 23028, 29564, 33843, 35148, 39289, 44346, 45124, 55651, 67686, 78578, 88692, 111302, 117867, 135372, 157156, 166953, 214339, 222604, 235734, 333906, 428678, 471468, 643017, 667812, 746491, 857356, 1139381, 1286034, 1492982, 2239473, 2278762, 2572068, 2985964, 3418143, 4478946, 4557524, 6836286, 8957892, 13672572, 21648239, 43296478, 64944717, 86592956, 129889434, 259778868]

約数ペア:

[(1, 259778868), (2, 129889434), (3, 86592956), (4, 64944717), (6, 43296478), (12, 21648239), (19, 13672572), (29, 8957892), (38, 6836286), (57, 4557524), (58, 4478946), (76, 3418143), (87, 2985964), (101, 2572068), (114, 2278762), (116, 2239473), (174, 1492982), (202, 1286034), (228, 1139381), (303, 857356), (348, 746491), (389, 667812), (404, 643017), (551, 471468), (606, 428678), (778, 333906), (1102, 235734), (1167, 222604), (1212, 214339), (1556, 166953), (1653, 157156), (1919, 135372), (2204, 117867), (2334, 111302), (2929, 88692), (3306, 78578), (3838, 67686), (4668, 55651), (5757, 45124), (5858, 44346), (6612, 39289), (7391, 35148), (7676, 33843), (8787, 29564), (11281, 23028), (11514, 22562), (11716, 22173), (14782, 17574)]