858667090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{14879}}^1$

素因数の和:15114

約数の個数: 32

約数和(自身を含む): 1607040000

約数和(自身を除く): 748372910

約数列:

[1, 2, 5, 10, 29, 58, 145, 199, 290, 398, 995, 1990, 5771, 11542, 14879, 28855, 29758, 57710, 74395, 148790, 431491, 862982, 2157455, 2960921, 4314910, 5921842, 14804605, 29609210, 85866709, 171733418, 429333545, 858667090]

約数ペア:

[(1, 858667090), (2, 429333545), (5, 171733418), (10, 85866709), (29, 29609210), (58, 14804605), (145, 5921842), (199, 4314910), (290, 2960921), (398, 2157455), (995, 862982), (1990, 431491), (5771, 148790), (11542, 74395), (14879, 57710), (28855, 29758)]