217196210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{25643}}^1$

素因数の和:25679

約数の個数: 48

約数和(自身を含む): 491133888

約数和(自身を除く): 273937678

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 25643, 51286, 128215, 179501, 256430, 282073, 359002, 564146, 897505, 1410365, 1795010, 1974511, 2820730, 3102803, 3949022, 6205606, 9872555, 15514015, 19745110, 21719621, 31028030, 43439242, 108598105, 217196210]

約数ペア:

[(1, 217196210), (2, 108598105), (5, 43439242), (7, 31028030), (10, 21719621), (11, 19745110), (14, 15514015), (22, 9872555), (35, 6205606), (55, 3949022), (70, 3102803), (77, 2820730), (110, 1974511), (121, 1795010), (154, 1410365), (242, 897505), (385, 564146), (605, 359002), (770, 282073), (847, 256430), (1210, 179501), (1694, 128215), (4235, 51286), (8470, 25643)]