399031010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28081}}^1$

素因数の和:28131

約数の個数: 48

約数和(自身を含む): 864363960

約数和(自身を除く): 465332950

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 2030, 2842, 7105, 14210, 28081, 56162, 140405, 196567, 280810, 393134, 814349, 982835, 1375969, 1628698, 1965670, 2751938, 4071745, 5700443, 6879845, 8143490, 11400886, 13759690, 28502215, 39903101, 57004430, 79806202, 199515505, 399031010]

約数ペア:

[(1, 399031010), (2, 199515505), (5, 79806202), (7, 57004430), (10, 39903101), (14, 28502215), (29, 13759690), (35, 11400886), (49, 8143490), (58, 6879845), (70, 5700443), (98, 4071745), (145, 2751938), (203, 1965670), (245, 1628698), (290, 1375969), (406, 982835), (490, 814349), (1015, 393134), (1421, 280810), (2030, 196567), (2842, 140405), (7105, 56162), (14210, 28081)]