247331360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81359}}^1$

素因数の和:81393

約数の個数: 48

約数和(自身を含む): 615081600

約数和(自身を除く): 367750240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 81359, 162718, 325436, 406795, 650872, 813590, 1301744, 1545821, 1627180, 2603488, 3091642, 3254360, 6183284, 6508720, 7729105, 12366568, 13017440, 15458210, 24733136, 30916420, 49466272, 61832840, 123665680, 247331360]

約数ペア:

[(1, 247331360), (2, 123665680), (4, 61832840), (5, 49466272), (8, 30916420), (10, 24733136), (16, 15458210), (19, 13017440), (20, 12366568), (32, 7729105), (38, 6508720), (40, 6183284), (76, 3254360), (80, 3091642), (95, 2603488), (152, 1627180), (160, 1545821), (190, 1301744), (304, 813590), (380, 650872), (608, 406795), (760, 325436), (1520, 162718), (3040, 81359)]