280871248

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 640673280

約数和(自身を除く): 359802032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 229, 233, 329, 376, 458, 466, 658, 752, 916, 932, 1316, 1603, 1631, 1832, 1864, 2632, 3206, 3262, 3664, 3728, 5264, 6412, 6524, 10763, 10951, 12824, 13048, 21526, 21902, 25648, 26096, 43052, 43804, 53357, 75341, 76657, 86104, 87608, 106714, 150682, 153314, 172208, 175216, 213428, 301364, 306628, 373499, 426856, 602728, 613256, 746998, 853712, 1205456, 1226512, 1493996, 2507779, 2987992, 5015558, 5975984, 10031116, 17554453, 20062232, 35108906, 40124464, 70217812, 140435624, 280871248]

約数ペア:

[(1, 280871248), (2, 140435624), (4, 70217812), (7, 40124464), (8, 35108906), (14, 20062232), (16, 17554453), (28, 10031116), (47, 5975984), (56, 5015558), (94, 2987992), (112, 2507779), (188, 1493996), (229, 1226512), (233, 1205456), (329, 853712), (376, 746998), (458, 613256), (466, 602728), (658, 426856), (752, 373499), (916, 306628), (932, 301364), (1316, 213428), (1603, 175216), (1631, 172208), (1832, 153314), (1864, 150682), (2632, 106714), (3206, 87608), (3262, 86104), (3664, 76657), (3728, 75341), (5264, 53357), (6412, 43804), (6524, 43052), (10763, 26096), (10951, 25648), (12824, 21902), (13048, 21526)]