451014820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 1012281984

約数和(自身を除く): 561267164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 529, 907, 940, 1058, 1081, 1814, 2116, 2162, 2645, 3628, 4324, 4535, 5290, 5405, 9070, 10580, 10810, 18140, 20861, 21620, 24863, 41722, 42629, 49726, 83444, 85258, 99452, 104305, 124315, 170516, 208610, 213145, 248630, 417220, 426290, 479803, 497260, 852580, 959606, 980467, 1919212, 1960934, 2399015, 3921868, 4798030, 4902335, 9596060, 9804670, 19609340, 22550741, 45101482, 90202964, 112753705, 225507410, 451014820]

約数ペア:

[(1, 451014820), (2, 225507410), (4, 112753705), (5, 90202964), (10, 45101482), (20, 22550741), (23, 19609340), (46, 9804670), (47, 9596060), (92, 4902335), (94, 4798030), (115, 3921868), (188, 2399015), (230, 1960934), (235, 1919212), (460, 980467), (470, 959606), (529, 852580), (907, 497260), (940, 479803), (1058, 426290), (1081, 417220), (1814, 248630), (2116, 213145), (2162, 208610), (2645, 170516), (3628, 124315), (4324, 104305), (4535, 99452), (5290, 85258), (5405, 83444), (9070, 49726), (10580, 42629), (10810, 41722), (18140, 24863), (20861, 21620)]