202489720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{297779}}^1$

素因数の和:297807

約数の個数: 32

約数和(自身を含む): 482403600

約数和(自身を除く): 279913880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 297779, 595558, 1191116, 1488895, 2382232, 2977790, 5062243, 5955580, 10124486, 11911160, 20248972, 25311215, 40497944, 50622430, 101244860, 202489720]

約数ペア:

[(1, 202489720), (2, 101244860), (4, 50622430), (5, 40497944), (8, 25311215), (10, 20248972), (17, 11911160), (20, 10124486), (34, 5955580), (40, 5062243), (68, 2977790), (85, 2382232), (136, 1488895), (170, 1191116), (340, 595558), (680, 297779)]