168839240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{248293}}^1$

素因数の和:248321

約数の個数: 32

約数和(自身を含む): 402236280

約数和(自身を除く): 233397040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 248293, 496586, 993172, 1241465, 1986344, 2482930, 4220981, 4965860, 8441962, 9931720, 16883924, 21104905, 33767848, 42209810, 84419620, 168839240]

約数ペア:

[(1, 168839240), (2, 84419620), (4, 42209810), (5, 33767848), (8, 21104905), (10, 16883924), (17, 9931720), (20, 8441962), (34, 4965860), (40, 4220981), (68, 2482930), (85, 1986344), (136, 1241465), (170, 993172), (340, 496586), (680, 248293)]