490624400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1441

約数の個数: 120

約数和(自身を含む): 1358008320

約数和(自身を除く): 867383920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 137, 140, 175, 200, 274, 280, 350, 400, 548, 560, 685, 700, 959, 1096, 1279, 1370, 1400, 1918, 2192, 2558, 2740, 2800, 3425, 3836, 4795, 5116, 5480, 6395, 6850, 7672, 8953, 9590, 10232, 10960, 12790, 13700, 15344, 17906, 19180, 20464, 23975, 25580, 27400, 31975, 35812, 38360, 44765, 47950, 51160, 54800, 63950, 71624, 76720, 89530, 95900, 102320, 127900, 143248, 175223, 179060, 191800, 223825, 255800, 350446, 358120, 383600, 447650, 511600, 700892, 716240, 876115, 895300, 1226561, 1401784, 1752230, 1790600, 2453122, 2803568, 3504460, 3581200, 4380575, 4906244, 6132805, 7008920, 8761150, 9812488, 12265610, 14017840, 17522300, 19624976, 24531220, 30664025, 35044600, 49062440, 61328050, 70089200, 98124880, 122656100, 245312200, 490624400]

約数ペア:

[(1, 490624400), (2, 245312200), (4, 122656100), (5, 98124880), (7, 70089200), (8, 61328050), (10, 49062440), (14, 35044600), (16, 30664025), (20, 24531220), (25, 19624976), (28, 17522300), (35, 14017840), (40, 12265610), (50, 9812488), (56, 8761150), (70, 7008920), (80, 6132805), (100, 4906244), (112, 4380575), (137, 3581200), (140, 3504460), (175, 2803568), (200, 2453122), (274, 1790600), (280, 1752230), (350, 1401784), (400, 1226561), (548, 895300), (560, 876115), (685, 716240), (700, 700892), (959, 511600), (1096, 447650), (1279, 383600), (1370, 358120), (1400, 350446), (1918, 255800), (2192, 223825), (2558, 191800), (2740, 179060), (2800, 175223), (3425, 143248), (3836, 127900), (4795, 102320), (5116, 95900), (5480, 89530), (6395, 76720), (6850, 71624), (7672, 63950), (8953, 54800), (9590, 51160), (10232, 47950), (10960, 44765), (12790, 38360), (13700, 35812), (15344, 31975), (17906, 27400), (19180, 25580), (20464, 23975)]