305705440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 765313920

約数和(自身を除く): 459608480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 227, 304, 380, 443, 454, 608, 760, 886, 908, 1135, 1520, 1772, 1816, 2215, 2270, 3040, 3544, 3632, 4313, 4430, 4540, 7088, 7264, 8417, 8626, 8860, 9080, 14176, 16834, 17252, 17720, 18160, 21565, 33668, 34504, 35440, 36320, 42085, 43130, 67336, 69008, 70880, 84170, 86260, 100561, 134672, 138016, 168340, 172520, 201122, 269344, 336680, 345040, 402244, 502805, 673360, 690080, 804488, 1005610, 1346720, 1608976, 1910659, 2011220, 3217952, 3821318, 4022440, 7642636, 8044880, 9553295, 15285272, 16089760, 19106590, 30570544, 38213180, 61141088, 76426360, 152852720, 305705440]

約数ペア:

[(1, 305705440), (2, 152852720), (4, 76426360), (5, 61141088), (8, 38213180), (10, 30570544), (16, 19106590), (19, 16089760), (20, 15285272), (32, 9553295), (38, 8044880), (40, 7642636), (76, 4022440), (80, 3821318), (95, 3217952), (152, 2011220), (160, 1910659), (190, 1608976), (227, 1346720), (304, 1005610), (380, 804488), (443, 690080), (454, 673360), (608, 502805), (760, 402244), (886, 345040), (908, 336680), (1135, 269344), (1520, 201122), (1772, 172520), (1816, 168340), (2215, 138016), (2270, 134672), (3040, 100561), (3544, 86260), (3632, 84170), (4313, 70880), (4430, 69008), (4540, 67336), (7088, 43130), (7264, 42085), (8417, 36320), (8626, 35440), (8860, 34504), (9080, 33668), (14176, 21565), (16834, 18160), (17252, 17720)]