520001265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 971827200

約数和(自身を除く): 451825935

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 179, 219, 365, 379, 511, 537, 895, 1095, 1137, 1253, 1533, 1895, 2555, 2653, 2685, 3759, 5685, 6265, 7665, 7959, 13067, 13265, 18795, 27667, 39201, 39795, 65335, 67841, 83001, 91469, 138335, 193669, 196005, 203523, 274407, 339205, 415005, 457345, 474887, 581007, 968345, 1017615, 1372035, 1424661, 2374435, 2905035, 4952393, 7123305, 14857179, 24761965, 34666751, 74285895, 104000253, 173333755, 520001265]

約数ペア:

[(1, 520001265), (3, 173333755), (5, 104000253), (7, 74285895), (15, 34666751), (21, 24761965), (35, 14857179), (73, 7123305), (105, 4952393), (179, 2905035), (219, 2374435), (365, 1424661), (379, 1372035), (511, 1017615), (537, 968345), (895, 581007), (1095, 474887), (1137, 457345), (1253, 415005), (1533, 339205), (1895, 274407), (2555, 203523), (2653, 196005), (2685, 193669), (3759, 138335), (5685, 91469), (6265, 83001), (7665, 67841), (7959, 65335), (13067, 39795), (13265, 39201), (18795, 27667)]