109172140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70891}}^1$

素因数の和:70918

約数の個数: 48

約数和(自身を含む): 285836544

約数和(自身を除く): 176664404

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 70891, 141782, 283564, 354455, 496237, 708910, 779801, 992474, 1417820, 1559602, 1984948, 2481185, 3119204, 3899005, 4962370, 5458607, 7798010, 9924740, 10917214, 15596020, 21834428, 27293035, 54586070, 109172140]

約数ペア:

[(1, 109172140), (2, 54586070), (4, 27293035), (5, 21834428), (7, 15596020), (10, 10917214), (11, 9924740), (14, 7798010), (20, 5458607), (22, 4962370), (28, 3899005), (35, 3119204), (44, 2481185), (55, 1984948), (70, 1559602), (77, 1417820), (110, 992474), (140, 779801), (154, 708910), (220, 496237), (308, 354455), (385, 283564), (770, 141782), (1540, 70891)]