1234780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 2621808

約数和(自身を除く): 1387028

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 577, 1070, 1154, 2140, 2308, 2885, 5770, 11540, 61739, 123478, 246956, 308695, 617390, 1234780]

約数ペア:

[(1, 1234780), (2, 617390), (4, 308695), (5, 246956), (10, 123478), (20, 61739), (107, 11540), (214, 5770), (428, 2885), (535, 2308), (577, 2140), (1070, 1154)]