21911328800

素因数分解:

$2^5\times 5^2\times {\mathrm{239}}^1\times {\mathrm{114599}}^1$

素因数の和:114858

約数の個数: 72

約数和(自身を含む): 53715312000

約数和(自身を除く): 31803983200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 239, 400, 478, 800, 956, 1195, 1912, 2390, 3824, 4780, 5975, 7648, 9560, 11950, 19120, 23900, 38240, 47800, 95600, 114599, 191200, 229198, 458396, 572995, 916792, 1145990, 1833584, 2291980, 2864975, 3667168, 4583960, 5729950, 9167920, 11459900, 18335840, 22919800, 27389161, 45839600, 54778322, 91679200, 109556644, 136945805, 219113288, 273891610, 438226576, 547783220, 684729025, 876453152, 1095566440, 1369458050, 2191132880, 2738916100, 4382265760, 5477832200, 10955664400, 21911328800]

約数ペア:

[(1, 21911328800), (2, 10955664400), (4, 5477832200), (5, 4382265760), (8, 2738916100), (10, 2191132880), (16, 1369458050), (20, 1095566440), (25, 876453152), (32, 684729025), (40, 547783220), (50, 438226576), (80, 273891610), (100, 219113288), (160, 136945805), (200, 109556644), (239, 91679200), (400, 54778322), (478, 45839600), (800, 27389161), (956, 22919800), (1195, 18335840), (1912, 11459900), (2390, 9167920), (3824, 5729950), (4780, 4583960), (5975, 3667168), (7648, 2864975), (9560, 2291980), (11950, 1833584), (19120, 1145990), (23900, 916792), (38240, 572995), (47800, 458396), (95600, 229198), (114599, 191200)]