186804980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 400619520

約数和(自身を除く): 213814540

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 685, 790, 863, 1370, 1580, 1726, 2740, 3452, 4315, 8630, 10823, 17260, 21646, 43292, 54115, 68177, 108230, 118231, 136354, 216460, 236462, 272708, 340885, 472924, 591155, 681770, 1182310, 1363540, 2364620, 9340249, 18680498, 37360996, 46701245, 93402490, 186804980]

約数ペア:

[(1, 186804980), (2, 93402490), (4, 46701245), (5, 37360996), (10, 18680498), (20, 9340249), (79, 2364620), (137, 1363540), (158, 1182310), (274, 681770), (316, 591155), (395, 472924), (548, 340885), (685, 272708), (790, 236462), (863, 216460), (1370, 136354), (1580, 118231), (1726, 108230), (2740, 68177), (3452, 54115), (4315, 43292), (8630, 21646), (10823, 17260)]