270147290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{551321}}^1$

素因数の和:551342

約数の個数: 24

約数和(自身を含む): 565656372

約数和(自身を除く): 295509082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 551321, 1102642, 2756605, 3859247, 5513210, 7718494, 19296235, 27014729, 38592470, 54029458, 135073645, 270147290]

約数ペア:

[(1, 270147290), (2, 135073645), (5, 54029458), (7, 38592470), (10, 27014729), (14, 19296235), (35, 7718494), (49, 5513210), (70, 3859247), (98, 2756605), (245, 1102642), (490, 551321)]