420899248

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17981}}^1$

素因数の和:18026

約数の個数: 80

約数和(自身を含む): 1070288640

約数和(自身を除く): 649389392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 5852, 11704, 17981, 23408, 35962, 71924, 125867, 143848, 197791, 251734, 287696, 341639, 395582, 503468, 683278, 791164, 1006936, 1366556, 1384537, 1582328, 2013872, 2391473, 2733112, 2769074, 3164656, 3758029, 4782946, 5466224, 5538148, 7516058, 9565892, 11076296, 15032116, 19131784, 22152592, 26306203, 30064232, 38263568, 52612406, 60128464, 105224812, 210449624, 420899248]

約数ペア:

[(1, 420899248), (2, 210449624), (4, 105224812), (7, 60128464), (8, 52612406), (11, 38263568), (14, 30064232), (16, 26306203), (19, 22152592), (22, 19131784), (28, 15032116), (38, 11076296), (44, 9565892), (56, 7516058), (76, 5538148), (77, 5466224), (88, 4782946), (112, 3758029), (133, 3164656), (152, 2769074), (154, 2733112), (176, 2391473), (209, 2013872), (266, 1582328), (304, 1384537), (308, 1366556), (418, 1006936), (532, 791164), (616, 683278), (836, 503468), (1064, 395582), (1232, 341639), (1463, 287696), (1672, 251734), (2128, 197791), (2926, 143848), (3344, 125867), (5852, 71924), (11704, 35962), (17981, 23408)]