89474800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 231178160

約数和(自身を除く): 141703360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 61, 76, 80, 95, 100, 122, 152, 190, 193, 200, 244, 304, 305, 380, 386, 400, 475, 488, 610, 760, 772, 950, 965, 976, 1159, 1220, 1520, 1525, 1544, 1900, 1930, 2318, 2440, 3050, 3088, 3667, 3800, 3860, 4636, 4825, 4880, 5795, 6100, 7334, 7600, 7720, 9272, 9650, 11590, 11773, 12200, 14668, 15440, 18335, 18544, 19300, 23180, 23546, 24400, 28975, 29336, 36670, 38600, 46360, 47092, 57950, 58672, 58865, 73340, 77200, 91675, 92720, 94184, 115900, 117730, 146680, 183350, 188368, 223687, 231800, 235460, 293360, 294325, 366700, 447374, 463600, 470920, 588650, 733400, 894748, 941840, 1118435, 1177300, 1466800, 1789496, 2236870, 2354600, 3578992, 4473740, 4709200, 5592175, 8947480, 11184350, 17894960, 22368700, 44737400, 89474800]

約数ペア:

[(1, 89474800), (2, 44737400), (4, 22368700), (5, 17894960), (8, 11184350), (10, 8947480), (16, 5592175), (19, 4709200), (20, 4473740), (25, 3578992), (38, 2354600), (40, 2236870), (50, 1789496), (61, 1466800), (76, 1177300), (80, 1118435), (95, 941840), (100, 894748), (122, 733400), (152, 588650), (190, 470920), (193, 463600), (200, 447374), (244, 366700), (304, 294325), (305, 293360), (380, 235460), (386, 231800), (400, 223687), (475, 188368), (488, 183350), (610, 146680), (760, 117730), (772, 115900), (950, 94184), (965, 92720), (976, 91675), (1159, 77200), (1220, 73340), (1520, 58865), (1525, 58672), (1544, 57950), (1900, 47092), (1930, 46360), (2318, 38600), (2440, 36670), (3050, 29336), (3088, 28975), (3667, 24400), (3800, 23546), (3860, 23180), (4636, 19300), (4825, 18544), (4880, 18335), (5795, 15440), (6100, 14668), (7334, 12200), (7600, 11773), (7720, 11590), (9272, 9650)]