34121620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 77616000

約数和(自身を除く): 43494380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 499, 526, 998, 1052, 1315, 1996, 2495, 2630, 3419, 4990, 5260, 6487, 6838, 9980, 12974, 13676, 17095, 25948, 32435, 34190, 64870, 68380, 129740, 131237, 262474, 524948, 656185, 1312370, 1706081, 2624740, 3412162, 6824324, 8530405, 17060810, 34121620]

約数ペア:

[(1, 34121620), (2, 17060810), (4, 8530405), (5, 6824324), (10, 3412162), (13, 2624740), (20, 1706081), (26, 1312370), (52, 656185), (65, 524948), (130, 262474), (260, 131237), (263, 129740), (499, 68380), (526, 64870), (998, 34190), (1052, 32435), (1315, 25948), (1996, 17095), (2495, 13676), (2630, 12974), (3419, 9980), (4990, 6838), (5260, 6487)]