257518488

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 705024000

約数和(自身を除く): 447505512

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 31, 46, 62, 69, 92, 93, 101, 124, 138, 149, 184, 186, 202, 248, 276, 298, 303, 372, 404, 447, 552, 596, 606, 713, 744, 808, 894, 1192, 1212, 1426, 1788, 2139, 2323, 2424, 2852, 3131, 3427, 3576, 4278, 4619, 4646, 5704, 6262, 6854, 6969, 8556, 9238, 9292, 9393, 10281, 12524, 13708, 13857, 13938, 15049, 17112, 18476, 18584, 18786, 20562, 25048, 27416, 27714, 27876, 30098, 36952, 37572, 41124, 45147, 55428, 55752, 60196, 72013, 75144, 82248, 90294, 106237, 110856, 120392, 144026, 180588, 212474, 216039, 288052, 318711, 346127, 361176, 424948, 432078, 466519, 576104, 637422, 692254, 849896, 864156, 933038, 1038381, 1274844, 1384508, 1399557, 1728312, 1866076, 2076762, 2549688, 2769016, 2799114, 3732152, 4153524, 5598228, 8307048, 10729937, 11196456, 21459874, 32189811, 42919748, 64379622, 85839496, 128759244, 257518488]

約数ペア:

[(1, 257518488), (2, 128759244), (3, 85839496), (4, 64379622), (6, 42919748), (8, 32189811), (12, 21459874), (23, 11196456), (24, 10729937), (31, 8307048), (46, 5598228), (62, 4153524), (69, 3732152), (92, 2799114), (93, 2769016), (101, 2549688), (124, 2076762), (138, 1866076), (149, 1728312), (184, 1399557), (186, 1384508), (202, 1274844), (248, 1038381), (276, 933038), (298, 864156), (303, 849896), (372, 692254), (404, 637422), (447, 576104), (552, 466519), (596, 432078), (606, 424948), (713, 361176), (744, 346127), (808, 318711), (894, 288052), (1192, 216039), (1212, 212474), (1426, 180588), (1788, 144026), (2139, 120392), (2323, 110856), (2424, 106237), (2852, 90294), (3131, 82248), (3427, 75144), (3576, 72013), (4278, 60196), (4619, 55752), (4646, 55428), (5704, 45147), (6262, 41124), (6854, 37572), (6969, 36952), (8556, 30098), (9238, 27876), (9292, 27714), (9393, 27416), (10281, 25048), (12524, 20562), (13708, 18786), (13857, 18584), (13938, 18476), (15049, 17112)]