257244144

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{599}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 696384000

約数和(自身を除く): 439139856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 389, 552, 599, 778, 1104, 1167, 1198, 1556, 1797, 2334, 2396, 3112, 3594, 4668, 4792, 6224, 7188, 8947, 9336, 9584, 13777, 14376, 17894, 18672, 26841, 27554, 28752, 35788, 41331, 53682, 55108, 71576, 82662, 107364, 110216, 143152, 165324, 214728, 220432, 233011, 330648, 429456, 466022, 661296, 699033, 932044, 1398066, 1864088, 2796132, 3728176, 5359253, 5592264, 10718506, 11184528, 16077759, 21437012, 32155518, 42874024, 64311036, 85748048, 128622072, 257244144]

約数ペア:

[(1, 257244144), (2, 128622072), (3, 85748048), (4, 64311036), (6, 42874024), (8, 32155518), (12, 21437012), (16, 16077759), (23, 11184528), (24, 10718506), (46, 5592264), (48, 5359253), (69, 3728176), (92, 2796132), (138, 1864088), (184, 1398066), (276, 932044), (368, 699033), (389, 661296), (552, 466022), (599, 429456), (778, 330648), (1104, 233011), (1167, 220432), (1198, 214728), (1556, 165324), (1797, 143152), (2334, 110216), (2396, 107364), (3112, 82662), (3594, 71576), (4668, 55108), (4792, 53682), (6224, 41331), (7188, 35788), (8947, 28752), (9336, 27554), (9584, 26841), (13777, 18672), (14376, 17894)]