201308540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 432826464

約数和(自身を除く): 231517924

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 157, 244, 305, 314, 610, 628, 785, 1051, 1220, 1570, 2102, 3140, 4204, 5255, 9577, 10510, 19154, 21020, 38308, 47885, 64111, 95770, 128222, 165007, 191540, 256444, 320555, 330014, 641110, 660028, 825035, 1282220, 1650070, 3300140, 10065427, 20130854, 40261708, 50327135, 100654270, 201308540]

約数ペア:

[(1, 201308540), (2, 100654270), (4, 50327135), (5, 40261708), (10, 20130854), (20, 10065427), (61, 3300140), (122, 1650070), (157, 1282220), (244, 825035), (305, 660028), (314, 641110), (610, 330014), (628, 320555), (785, 256444), (1051, 191540), (1220, 165007), (1570, 128222), (2102, 95770), (3140, 64111), (4204, 47885), (5255, 38308), (9577, 21020), (10510, 19154)]