90292580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17431}}^1$

素因数の和:17484

約数の個数: 48

約数和(自身を含む): 222571776

約数和(自身を除く): 132279196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 17431, 34862, 69724, 87155, 122017, 174310, 244034, 348620, 488068, 610085, 644947, 1220170, 1289894, 2440340, 2579788, 3224735, 4514629, 6449470, 9029258, 12898940, 18058516, 22573145, 45146290, 90292580]

約数ペア:

[(1, 90292580), (2, 45146290), (4, 22573145), (5, 18058516), (7, 12898940), (10, 9029258), (14, 6449470), (20, 4514629), (28, 3224735), (35, 2579788), (37, 2440340), (70, 1289894), (74, 1220170), (140, 644947), (148, 610085), (185, 488068), (259, 348620), (370, 244034), (518, 174310), (740, 122017), (1036, 87155), (1295, 69724), (2590, 34862), (5180, 17431)]