214535240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{315493}}^1$

素因数の和:315521

約数の個数: 32

約数和(自身を含む): 511100280

約数和(自身を除く): 296565040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 315493, 630986, 1261972, 1577465, 2523944, 3154930, 5363381, 6309860, 10726762, 12619720, 21453524, 26816905, 42907048, 53633810, 107267620, 214535240]

約数ペア:

[(1, 214535240), (2, 107267620), (4, 53633810), (5, 42907048), (8, 26816905), (10, 21453524), (17, 12619720), (20, 10726762), (34, 6309860), (40, 5363381), (68, 3154930), (85, 2523944), (136, 1577465), (170, 1261972), (340, 630986), (680, 315493)]