205330760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8161}}^1$

素因数の和:8226

約数の個数: 64

約数和(自身を含む): 502452720

約数和(自身を除く): 297121960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 5032, 6290, 8161, 12580, 16322, 25160, 32644, 40805, 65288, 81610, 138737, 163220, 277474, 301957, 326440, 554948, 603914, 693685, 1109896, 1207828, 1387370, 1509785, 2415656, 2774740, 3019570, 5133269, 5549480, 6039140, 10266538, 12078280, 20533076, 25666345, 41066152, 51332690, 102665380, 205330760]

約数ペア:

[(1, 205330760), (2, 102665380), (4, 51332690), (5, 41066152), (8, 25666345), (10, 20533076), (17, 12078280), (20, 10266538), (34, 6039140), (37, 5549480), (40, 5133269), (68, 3019570), (74, 2774740), (85, 2415656), (136, 1509785), (148, 1387370), (170, 1207828), (185, 1109896), (296, 693685), (340, 603914), (370, 554948), (629, 326440), (680, 301957), (740, 277474), (1258, 163220), (1480, 138737), (2516, 81610), (3145, 65288), (5032, 40805), (6290, 32644), (8161, 25160), (12580, 16322)]