210866980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620197}}^1$

素因数の和:620223

約数の個数: 24

約数和(自身を含む): 468869688

約数和(自身を除く): 258002708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 620197, 1240394, 2480788, 3100985, 6201970, 10543349, 12403940, 21086698, 42173396, 52716745, 105433490, 210866980]

約数ペア:

[(1, 210866980), (2, 105433490), (4, 52716745), (5, 42173396), (10, 21086698), (17, 12403940), (20, 10543349), (34, 6201970), (68, 3100985), (85, 2480788), (170, 1240394), (340, 620197)]