49750075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 70575840

約数和(自身を除く): 20825765

約数列:

[1, 5, 17, 19, 25, 61, 85, 95, 101, 305, 323, 425, 475, 505, 1037, 1159, 1525, 1615, 1717, 1919, 2525, 5185, 5795, 6161, 8075, 8585, 9595, 19703, 25925, 28975, 30805, 32623, 42925, 47975, 98515, 104737, 117059, 154025, 163115, 492575, 523685, 585295, 815575, 1990003, 2618425, 2926475, 9950015, 49750075]

約数ペア:

[(1, 49750075), (5, 9950015), (17, 2926475), (19, 2618425), (25, 1990003), (61, 815575), (85, 585295), (95, 523685), (101, 492575), (305, 163115), (323, 154025), (425, 117059), (475, 104737), (505, 98515), (1037, 47975), (1159, 42925), (1525, 32623), (1615, 30805), (1717, 28975), (1919, 25925), (2525, 19703), (5185, 9595), (5795, 8585), (6161, 8075)]