211701910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{45139}}^1$

素因数の和:45220

約数の個数: 32

約数和(自身を含む): 442010880

約数和(自身を除く): 230308970

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 45139, 90278, 225695, 315973, 451390, 631946, 1579865, 3024313, 3159730, 6048626, 15121565, 21170191, 30243130, 42340382, 105850955, 211701910]

約数ペア:

[(1, 211701910), (2, 105850955), (5, 42340382), (7, 30243130), (10, 21170191), (14, 15121565), (35, 6048626), (67, 3159730), (70, 3024313), (134, 1579865), (335, 631946), (469, 451390), (670, 315973), (938, 225695), (2345, 90278), (4690, 45139)]