616621345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 849139200

約数和(自身を除く): 232517855

約数列:

[1, 5, 19, 29, 41, 53, 95, 103, 145, 205, 265, 515, 551, 779, 1007, 1189, 1537, 1957, 2173, 2755, 2987, 3895, 4223, 5035, 5459, 5945, 7685, 9785, 10865, 14935, 21115, 22591, 27295, 29203, 41287, 56753, 63017, 80237, 103721, 112955, 122467, 146015, 158311, 206435, 223819, 283765, 315085, 401185, 518605, 612335, 791555, 1119095, 1197323, 2326873, 3007909, 4252561, 5986615, 6490751, 11634365, 15039545, 21262805, 32453755, 123324269, 616621345]

約数ペア:

[(1, 616621345), (5, 123324269), (19, 32453755), (29, 21262805), (41, 15039545), (53, 11634365), (95, 6490751), (103, 5986615), (145, 4252561), (205, 3007909), (265, 2326873), (515, 1197323), (551, 1119095), (779, 791555), (1007, 612335), (1189, 518605), (1537, 401185), (1957, 315085), (2173, 283765), (2755, 223819), (2987, 206435), (3895, 158311), (4223, 146015), (5035, 122467), (5459, 112955), (5945, 103721), (7685, 80237), (9785, 63017), (10865, 56753), (14935, 41287), (21115, 29203), (22591, 27295)]