201021090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1283

約数の個数: 64

約数和(自身を含む): 512459136

約数和(自身を除く): 311438046

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 613, 643, 1226, 1286, 1839, 1929, 3065, 3215, 3678, 3858, 6130, 6430, 9195, 9645, 10421, 10931, 18390, 19290, 20842, 21862, 31263, 32793, 52105, 54655, 62526, 65586, 104210, 109310, 156315, 163965, 312630, 327930, 394159, 788318, 1182477, 1970795, 2364954, 3941590, 5912385, 6700703, 11824770, 13401406, 20102109, 33503515, 40204218, 67007030, 100510545, 201021090]

約数ペア:

[(1, 201021090), (2, 100510545), (3, 67007030), (5, 40204218), (6, 33503515), (10, 20102109), (15, 13401406), (17, 11824770), (30, 6700703), (34, 5912385), (51, 3941590), (85, 2364954), (102, 1970795), (170, 1182477), (255, 788318), (510, 394159), (613, 327930), (643, 312630), (1226, 163965), (1286, 156315), (1839, 109310), (1929, 104210), (3065, 65586), (3215, 62526), (3678, 54655), (3858, 52105), (6130, 32793), (6430, 31263), (9195, 21862), (9645, 20842), (10421, 19290), (10931, 18390)]