819669025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 1300402880

約数和(自身を除く): 480733855

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 289, 323, 425, 475, 595, 665, 853, 1445, 1615, 2023, 2261, 2975, 3325, 4265, 5491, 5971, 7225, 8075, 10115, 11305, 14501, 16207, 21325, 27455, 29855, 38437, 50575, 56525, 72505, 81035, 101507, 113449, 137275, 149275, 192185, 246517, 275519, 362525, 405175, 507535, 567245, 960925, 1232585, 1377595, 1725619, 1928633, 2537675, 2836225, 4683823, 6162925, 6887975, 8628095, 9643165, 23419115, 32786761, 43140475, 48215825, 117095575, 163933805, 819669025]

約数ペア:

[(1, 819669025), (5, 163933805), (7, 117095575), (17, 48215825), (19, 43140475), (25, 32786761), (35, 23419115), (85, 9643165), (95, 8628095), (119, 6887975), (133, 6162925), (175, 4683823), (289, 2836225), (323, 2537675), (425, 1928633), (475, 1725619), (595, 1377595), (665, 1232585), (853, 960925), (1445, 567245), (1615, 507535), (2023, 405175), (2261, 362525), (2975, 275519), (3325, 246517), (4265, 192185), (5491, 149275), (5971, 137275), (7225, 113449), (8075, 101507), (10115, 81035), (11305, 72505), (14501, 56525), (16207, 50575), (21325, 38437), (27455, 29855)]