78033620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1117}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 187824000

約数和(自身を除く): 109790380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1117, 1996, 2234, 2495, 3493, 4468, 4990, 5585, 6986, 7819, 9980, 11170, 13972, 15638, 17465, 22340, 31276, 34930, 39095, 69860, 78190, 156380, 557383, 1114766, 2229532, 2786915, 3901681, 5573830, 7803362, 11147660, 15606724, 19508405, 39016810, 78033620]

約数ペア:

[(1, 78033620), (2, 39016810), (4, 19508405), (5, 15606724), (7, 11147660), (10, 7803362), (14, 5573830), (20, 3901681), (28, 2786915), (35, 2229532), (70, 1114766), (140, 557383), (499, 156380), (998, 78190), (1117, 69860), (1996, 39095), (2234, 34930), (2495, 31276), (3493, 22340), (4468, 17465), (4990, 15638), (5585, 13972), (6986, 11170), (7819, 9980)]