137319080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 326894400

約数和(自身を除く): 189575320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 281, 380, 562, 643, 760, 1124, 1286, 1405, 2248, 2572, 2810, 3215, 5144, 5339, 5620, 6430, 10678, 11240, 12217, 12860, 21356, 24434, 25720, 26695, 42712, 48868, 53390, 61085, 97736, 106780, 122170, 180683, 213560, 244340, 361366, 488680, 722732, 903415, 1445464, 1806830, 3432977, 3613660, 6865954, 7227320, 13731908, 17164885, 27463816, 34329770, 68659540, 137319080]

約数ペア:

[(1, 137319080), (2, 68659540), (4, 34329770), (5, 27463816), (8, 17164885), (10, 13731908), (19, 7227320), (20, 6865954), (38, 3613660), (40, 3432977), (76, 1806830), (95, 1445464), (152, 903415), (190, 722732), (281, 488680), (380, 361366), (562, 244340), (643, 213560), (760, 180683), (1124, 122170), (1286, 106780), (1405, 97736), (2248, 61085), (2572, 53390), (2810, 48868), (3215, 42712), (5144, 26695), (5339, 25720), (5620, 24434), (6430, 21356), (10678, 12860), (11240, 12217)]