242454520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 685117440

約数和(自身を除く): 442662920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 223, 280, 308, 353, 385, 440, 446, 616, 706, 770, 892, 1115, 1412, 1540, 1561, 1765, 1784, 2230, 2453, 2471, 2824, 3080, 3122, 3530, 3883, 4460, 4906, 4942, 6244, 7060, 7766, 7805, 8920, 9812, 9884, 12265, 12355, 12488, 14120, 15532, 15610, 17171, 19415, 19624, 19768, 24530, 24710, 27181, 31064, 31220, 34342, 38830, 49060, 49420, 54362, 62440, 68684, 77660, 78719, 85855, 98120, 98840, 108724, 135905, 137368, 155320, 157438, 171710, 217448, 271810, 314876, 343420, 393595, 543620, 551033, 629752, 686840, 787190, 865909, 1087240, 1102066, 1574380, 1731818, 2204132, 2755165, 3148760, 3463636, 4329545, 4408264, 5510330, 6061363, 6927272, 8659090, 11020660, 12122726, 17318180, 22041320, 24245452, 30306815, 34636360, 48490904, 60613630, 121227260, 242454520]

約数ペア:

[(1, 242454520), (2, 121227260), (4, 60613630), (5, 48490904), (7, 34636360), (8, 30306815), (10, 24245452), (11, 22041320), (14, 17318180), (20, 12122726), (22, 11020660), (28, 8659090), (35, 6927272), (40, 6061363), (44, 5510330), (55, 4408264), (56, 4329545), (70, 3463636), (77, 3148760), (88, 2755165), (110, 2204132), (140, 1731818), (154, 1574380), (220, 1102066), (223, 1087240), (280, 865909), (308, 787190), (353, 686840), (385, 629752), (440, 551033), (446, 543620), (616, 393595), (706, 343420), (770, 314876), (892, 271810), (1115, 217448), (1412, 171710), (1540, 157438), (1561, 155320), (1765, 137368), (1784, 135905), (2230, 108724), (2453, 98840), (2471, 98120), (2824, 85855), (3080, 78719), (3122, 77660), (3530, 68684), (3883, 62440), (4460, 54362), (4906, 49420), (4942, 49060), (6244, 38830), (7060, 34342), (7766, 31220), (7805, 31064), (8920, 27181), (9812, 24710), (9884, 24530), (12265, 19768), (12355, 19624), (12488, 19415), (14120, 17171), (15532, 15610)]