257372784

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^2\times {\mathrm{4951}}^1$

素因数の和:5003

約数の個数: 90

約数和(自身を含む): 760344936

約数和(自身を除く): 502972152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 361, 456, 684, 722, 912, 1083, 1368, 1444, 2166, 2736, 2888, 3249, 4332, 4951, 5776, 6498, 8664, 9902, 12996, 14853, 17328, 19804, 25992, 29706, 39608, 44559, 51984, 59412, 79216, 89118, 94069, 118824, 178236, 188138, 237648, 282207, 356472, 376276, 564414, 712944, 752552, 846621, 1128828, 1505104, 1693242, 1787311, 2257656, 3386484, 3574622, 4515312, 5361933, 6772968, 7149244, 10723866, 13545936, 14298488, 16085799, 21447732, 28596976, 32171598, 42895464, 64343196, 85790928, 128686392, 257372784]

約数ペア:

[(1, 257372784), (2, 128686392), (3, 85790928), (4, 64343196), (6, 42895464), (8, 32171598), (9, 28596976), (12, 21447732), (16, 16085799), (18, 14298488), (19, 13545936), (24, 10723866), (36, 7149244), (38, 6772968), (48, 5361933), (57, 4515312), (72, 3574622), (76, 3386484), (114, 2257656), (144, 1787311), (152, 1693242), (171, 1505104), (228, 1128828), (304, 846621), (342, 752552), (361, 712944), (456, 564414), (684, 376276), (722, 356472), (912, 282207), (1083, 237648), (1368, 188138), (1444, 178236), (2166, 118824), (2736, 94069), (2888, 89118), (3249, 79216), (4332, 59412), (4951, 51984), (5776, 44559), (6498, 39608), (8664, 29706), (9902, 25992), (12996, 19804), (14853, 17328)]