217428050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{621223}}^1$

素因数の和:621242

約数の個数: 24

約数和(自身を含む): 462190656

約数和(自身を除く): 244762606

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 621223, 1242446, 3106115, 4348561, 6212230, 8697122, 15530575, 21742805, 31061150, 43485610, 108714025, 217428050]

約数ペア:

[(1, 217428050), (2, 108714025), (5, 43485610), (7, 31061150), (10, 21742805), (14, 15530575), (25, 8697122), (35, 6212230), (50, 4348561), (70, 3106115), (175, 1242446), (350, 621223)]