239311960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 552873600

約数和(自身を除く): 313561640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 157, 212, 265, 314, 424, 530, 628, 719, 785, 1060, 1256, 1438, 1570, 2120, 2876, 3140, 3595, 5752, 6280, 7190, 8321, 14380, 16642, 28760, 33284, 38107, 41605, 66568, 76214, 83210, 112883, 152428, 166420, 190535, 225766, 304856, 332840, 381070, 451532, 564415, 762140, 903064, 1128830, 1524280, 2257660, 4515320, 5982799, 11965598, 23931196, 29913995, 47862392, 59827990, 119655980, 239311960]

約数ペア:

[(1, 239311960), (2, 119655980), (4, 59827990), (5, 47862392), (8, 29913995), (10, 23931196), (20, 11965598), (40, 5982799), (53, 4515320), (106, 2257660), (157, 1524280), (212, 1128830), (265, 903064), (314, 762140), (424, 564415), (530, 451532), (628, 381070), (719, 332840), (785, 304856), (1060, 225766), (1256, 190535), (1438, 166420), (1570, 152428), (2120, 112883), (2876, 83210), (3140, 76214), (3595, 66568), (5752, 41605), (6280, 38107), (7190, 33284), (8321, 28760), (14380, 16642)]