220100144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 481873920

約数和(自身を除く): 261773776

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 127, 172, 176, 229, 254, 344, 458, 473, 508, 688, 916, 946, 1016, 1397, 1832, 1892, 2032, 2519, 2794, 3664, 3784, 5038, 5461, 5588, 7568, 9847, 10076, 10922, 11176, 19694, 20152, 21844, 22352, 29083, 39388, 40304, 43688, 58166, 60071, 78776, 87376, 108317, 116332, 120142, 157552, 216634, 232664, 240284, 319913, 433268, 465328, 480568, 639826, 866536, 961136, 1250569, 1279652, 1733072, 2501138, 2559304, 5002276, 5118608, 10004552, 13756259, 20009104, 27512518, 55025036, 110050072, 220100144]

約数ペア:

[(1, 220100144), (2, 110050072), (4, 55025036), (8, 27512518), (11, 20009104), (16, 13756259), (22, 10004552), (43, 5118608), (44, 5002276), (86, 2559304), (88, 2501138), (127, 1733072), (172, 1279652), (176, 1250569), (229, 961136), (254, 866536), (344, 639826), (458, 480568), (473, 465328), (508, 433268), (688, 319913), (916, 240284), (946, 232664), (1016, 216634), (1397, 157552), (1832, 120142), (1892, 116332), (2032, 108317), (2519, 87376), (2794, 78776), (3664, 60071), (3784, 58166), (5038, 43688), (5461, 40304), (5588, 39388), (7568, 29083), (9847, 22352), (10076, 21844), (10922, 20152), (11176, 19694)]