87441620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 218115072

約数和(自身を除く): 130673452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 97, 137, 140, 188, 194, 235, 274, 329, 388, 470, 485, 548, 658, 679, 685, 940, 959, 970, 1316, 1358, 1370, 1645, 1918, 1940, 2716, 2740, 3290, 3395, 3836, 4559, 4795, 6439, 6580, 6790, 9118, 9590, 12878, 13289, 13580, 18236, 19180, 22795, 25756, 26578, 31913, 32195, 45073, 45590, 53156, 63826, 64390, 66445, 90146, 91180, 93023, 127652, 128780, 132890, 159565, 180292, 186046, 225365, 265780, 319130, 372092, 450730, 465115, 624583, 638260, 901460, 930230, 1249166, 1860460, 2498332, 3122915, 4372081, 6245830, 8744162, 12491660, 17488324, 21860405, 43720810, 87441620]

約数ペア:

[(1, 87441620), (2, 43720810), (4, 21860405), (5, 17488324), (7, 12491660), (10, 8744162), (14, 6245830), (20, 4372081), (28, 3122915), (35, 2498332), (47, 1860460), (70, 1249166), (94, 930230), (97, 901460), (137, 638260), (140, 624583), (188, 465115), (194, 450730), (235, 372092), (274, 319130), (329, 265780), (388, 225365), (470, 186046), (485, 180292), (548, 159565), (658, 132890), (679, 128780), (685, 127652), (940, 93023), (959, 91180), (970, 90146), (1316, 66445), (1358, 64390), (1370, 63826), (1645, 53156), (1918, 45590), (1940, 45073), (2716, 32195), (2740, 31913), (3290, 26578), (3395, 25756), (3836, 22795), (4559, 19180), (4795, 18236), (6439, 13580), (6580, 13289), (6790, 12878), (9118, 9590)]