494970800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 1239920640

約数和(自身を除く): 744949840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 179, 200, 223, 248, 310, 358, 400, 446, 496, 620, 716, 775, 892, 895, 1115, 1240, 1432, 1550, 1784, 1790, 2230, 2480, 2864, 3100, 3568, 3580, 4460, 4475, 5549, 5575, 6200, 6913, 7160, 8920, 8950, 11098, 11150, 12400, 13826, 14320, 17840, 17900, 22196, 22300, 27652, 27745, 34565, 35800, 39917, 44392, 44600, 55304, 55490, 69130, 71600, 79834, 88784, 89200, 110608, 110980, 138260, 138725, 159668, 172825, 199585, 221960, 276520, 277450, 319336, 345650, 399170, 443920, 553040, 554900, 638672, 691300, 798340, 997925, 1109800, 1237427, 1382600, 1596680, 1995850, 2219600, 2474854, 2765200, 3193360, 3991700, 4949708, 6187135, 7983400, 9899416, 12374270, 15966800, 19798832, 24748540, 30935675, 49497080, 61871350, 98994160, 123742700, 247485400, 494970800]

約数ペア:

[(1, 494970800), (2, 247485400), (4, 123742700), (5, 98994160), (8, 61871350), (10, 49497080), (16, 30935675), (20, 24748540), (25, 19798832), (31, 15966800), (40, 12374270), (50, 9899416), (62, 7983400), (80, 6187135), (100, 4949708), (124, 3991700), (155, 3193360), (179, 2765200), (200, 2474854), (223, 2219600), (248, 1995850), (310, 1596680), (358, 1382600), (400, 1237427), (446, 1109800), (496, 997925), (620, 798340), (716, 691300), (775, 638672), (892, 554900), (895, 553040), (1115, 443920), (1240, 399170), (1432, 345650), (1550, 319336), (1784, 277450), (1790, 276520), (2230, 221960), (2480, 199585), (2864, 172825), (3100, 159668), (3568, 138725), (3580, 138260), (4460, 110980), (4475, 110608), (5549, 89200), (5575, 88784), (6200, 79834), (6913, 71600), (7160, 69130), (8920, 55490), (8950, 55304), (11098, 44600), (11150, 44392), (12400, 39917), (13826, 35800), (14320, 34565), (17840, 27745), (17900, 27652), (22196, 22300)]