1990190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 3965760

約数和(自身を除く): 1975570

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 509, 782, 1018, 1955, 2545, 3910, 5090, 8653, 11707, 17306, 23414, 43265, 58535, 86530, 117070, 199019, 398038, 995095, 1990190]

約数ペア:

[(1, 1990190), (2, 995095), (5, 398038), (10, 199019), (17, 117070), (23, 86530), (34, 58535), (46, 43265), (85, 23414), (115, 17306), (170, 11707), (230, 8653), (391, 5090), (509, 3910), (782, 2545), (1018, 1955)]