520000005

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 976896000

約数和(自身を除く): 456895995

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 211, 245, 343, 479, 633, 735, 1029, 1055, 1437, 1477, 1715, 2395, 3165, 3353, 4431, 5145, 7185, 7385, 10059, 10339, 16765, 22155, 23471, 31017, 50295, 51695, 70413, 72373, 101069, 117355, 155085, 164297, 217119, 303207, 352065, 361865, 492891, 505345, 707483, 821485, 1085595, 1516035, 2122449, 2464455, 3537415, 4952381, 10612245, 14857143, 24761905, 34666667, 74285715, 104000001, 173333335, 520000005]

約数ペア:

[(1, 520000005), (3, 173333335), (5, 104000001), (7, 74285715), (15, 34666667), (21, 24761905), (35, 14857143), (49, 10612245), (105, 4952381), (147, 3537415), (211, 2464455), (245, 2122449), (343, 1516035), (479, 1085595), (633, 821485), (735, 707483), (1029, 505345), (1055, 492891), (1437, 361865), (1477, 352065), (1715, 303207), (2395, 217119), (3165, 164297), (3353, 155085), (4431, 117355), (5145, 101069), (7185, 72373), (7385, 70413), (10059, 51695), (10339, 50295), (16765, 31017), (22155, 23471)]