2247709975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 3491840000

約数和(自身を除く): 1244130025

約数列:

[1, 5, 7, 19, 25, 35, 43, 79, 95, 133, 175, 199, 215, 301, 395, 475, 553, 665, 817, 995, 1075, 1393, 1501, 1505, 1975, 2765, 3325, 3397, 3781, 4085, 4975, 5719, 6965, 7505, 7525, 8557, 10507, 13825, 15721, 16985, 18905, 20425, 23779, 26467, 28595, 34825, 37525, 42785, 52535, 59899, 64543, 78605, 84925, 94525, 110047, 118895, 132335, 142975, 162583, 213925, 262675, 298699, 299495, 322715, 393025, 451801, 550235, 594475, 661675, 676003, 812915, 1138081, 1493495, 1497475, 1613575, 2090893, 2259005, 2751175, 3380015, 4064575, 4732021, 5690405, 7467475, 10454465, 11295025, 12844057, 16900075, 23660105, 28452025, 52272325, 64220285, 89908399, 118300525, 321101425, 449541995, 2247709975]

約数ペア:

[(1, 2247709975), (5, 449541995), (7, 321101425), (19, 118300525), (25, 89908399), (35, 64220285), (43, 52272325), (79, 28452025), (95, 23660105), (133, 16900075), (175, 12844057), (199, 11295025), (215, 10454465), (301, 7467475), (395, 5690405), (475, 4732021), (553, 4064575), (665, 3380015), (817, 2751175), (995, 2259005), (1075, 2090893), (1393, 1613575), (1501, 1497475), (1505, 1493495), (1975, 1138081), (2765, 812915), (3325, 676003), (3397, 661675), (3781, 594475), (4085, 550235), (4975, 451801), (5719, 393025), (6965, 322715), (7505, 299495), (7525, 298699), (8557, 262675), (10507, 213925), (13825, 162583), (15721, 142975), (16985, 132335), (18905, 118895), (20425, 110047), (23779, 94525), (26467, 84925), (28595, 78605), (34825, 64543), (37525, 59899), (42785, 52535)]