198080630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 395297280

約数和(自身を除く): 197216650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 127, 242, 254, 605, 635, 1210, 1270, 1289, 1397, 2578, 2794, 6445, 6985, 12890, 13970, 14179, 15367, 28358, 30734, 70895, 76835, 141790, 153670, 155969, 163703, 311938, 327406, 779845, 818515, 1559690, 1637030, 1800733, 3601466, 9003665, 18007330, 19808063, 39616126, 99040315, 198080630]

約数ペア:

[(1, 198080630), (2, 99040315), (5, 39616126), (10, 19808063), (11, 18007330), (22, 9003665), (55, 3601466), (110, 1800733), (121, 1637030), (127, 1559690), (242, 818515), (254, 779845), (605, 327406), (635, 311938), (1210, 163703), (1270, 155969), (1289, 153670), (1397, 141790), (2578, 76835), (2794, 70895), (6445, 30734), (6985, 28358), (12890, 15367), (13970, 14179)]