4869615440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1500

約数の個数: 80

約数和(自身を含む): 11424983040

約数和(自身を除く): 6555367600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 257, 478, 514, 956, 991, 1028, 1195, 1285, 1912, 1982, 2056, 2390, 2570, 3824, 3964, 4112, 4780, 4955, 5140, 7928, 9560, 9910, 10280, 15856, 19120, 19820, 20560, 39640, 61423, 79280, 122846, 236849, 245692, 254687, 307115, 473698, 491384, 509374, 614230, 947396, 982768, 1018748, 1184245, 1228460, 1273435, 1894792, 2037496, 2368490, 2456920, 2546870, 3789584, 4074992, 4736980, 4913840, 5093740, 9473960, 10187480, 18947920, 20374960, 60870193, 121740386, 243480772, 304350965, 486961544, 608701930, 973923088, 1217403860, 2434807720, 4869615440]

約数ペア:

[(1, 4869615440), (2, 2434807720), (4, 1217403860), (5, 973923088), (8, 608701930), (10, 486961544), (16, 304350965), (20, 243480772), (40, 121740386), (80, 60870193), (239, 20374960), (257, 18947920), (478, 10187480), (514, 9473960), (956, 5093740), (991, 4913840), (1028, 4736980), (1195, 4074992), (1285, 3789584), (1912, 2546870), (1982, 2456920), (2056, 2368490), (2390, 2037496), (2570, 1894792), (3824, 1273435), (3964, 1228460), (4112, 1184245), (4780, 1018748), (4955, 982768), (5140, 947396), (7928, 614230), (9560, 509374), (9910, 491384), (10280, 473698), (15856, 307115), (19120, 254687), (19820, 245692), (20560, 236849), (39640, 122846), (61423, 79280)]