1738961980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{253493}}^1$

素因数の和:253523

約数の個数: 48

約数和(自身を含む): 4258699200

約数和(自身を除く): 2519737220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 253493, 506986, 1013972, 1267465, 1774451, 2534930, 3548902, 5069860, 7097804, 8872255, 12421157, 17744510, 24842314, 35489020, 49684628, 62105785, 86948099, 124211570, 173896198, 248423140, 347792396, 434740495, 869480990, 1738961980]

約数ペア:

[(1, 1738961980), (2, 869480990), (4, 434740495), (5, 347792396), (7, 248423140), (10, 173896198), (14, 124211570), (20, 86948099), (28, 62105785), (35, 49684628), (49, 35489020), (70, 24842314), (98, 17744510), (140, 12421157), (196, 8872255), (245, 7097804), (343, 5069860), (490, 3548902), (686, 2534930), (980, 1774451), (1372, 1267465), (1715, 1013972), (3430, 506986), (6860, 253493)]