388587728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 807567360

約数和(自身を除く): 418979632

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 79, 94, 124, 158, 188, 211, 248, 316, 376, 422, 496, 632, 752, 844, 1264, 1457, 1688, 2449, 2914, 3376, 3713, 4898, 5828, 6541, 7426, 9796, 9917, 11656, 13082, 14852, 16669, 19592, 19834, 23312, 26164, 29704, 33338, 39184, 39668, 52328, 59408, 66676, 79336, 104656, 115103, 133352, 158672, 230206, 266704, 307427, 460412, 516739, 614854, 783443, 920824, 1033478, 1229708, 1566886, 1841648, 2066956, 2459416, 3133772, 4133912, 4918832, 6267544, 8267824, 12535088, 24286733, 48573466, 97146932, 194293864, 388587728]

約数ペア:

[(1, 388587728), (2, 194293864), (4, 97146932), (8, 48573466), (16, 24286733), (31, 12535088), (47, 8267824), (62, 6267544), (79, 4918832), (94, 4133912), (124, 3133772), (158, 2459416), (188, 2066956), (211, 1841648), (248, 1566886), (316, 1229708), (376, 1033478), (422, 920824), (496, 783443), (632, 614854), (752, 516739), (844, 460412), (1264, 307427), (1457, 266704), (1688, 230206), (2449, 158672), (2914, 133352), (3376, 115103), (3713, 104656), (4898, 79336), (5828, 66676), (6541, 59408), (7426, 52328), (9796, 39668), (9917, 39184), (11656, 33338), (13082, 29704), (14852, 26164), (16669, 23312), (19592, 19834)]