389635820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{41539}}^1$

素因数の和:41622

約数の個数: 48

約数和(自身を含む): 949105920

約数和(自身を除く): 559470100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 41539, 83078, 166156, 207695, 290773, 415390, 581546, 830780, 1163092, 1453865, 2783113, 2907730, 5566226, 5815460, 11132452, 13915565, 19481791, 27831130, 38963582, 55662260, 77927164, 97408955, 194817910, 389635820]

約数ペア:

[(1, 389635820), (2, 194817910), (4, 97408955), (5, 77927164), (7, 55662260), (10, 38963582), (14, 27831130), (20, 19481791), (28, 13915565), (35, 11132452), (67, 5815460), (70, 5566226), (134, 2907730), (140, 2783113), (268, 1453865), (335, 1163092), (469, 830780), (670, 581546), (938, 415390), (1340, 290773), (1876, 207695), (2345, 166156), (4690, 83078), (9380, 41539)]