173680840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{255413}}^1$

素因数の和:255441

約数の個数: 32

約数和(自身を含む): 413770680

約数和(自身を除く): 240089840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 255413, 510826, 1021652, 1277065, 2043304, 2554130, 4342021, 5108260, 8684042, 10216520, 17368084, 21710105, 34736168, 43420210, 86840420, 173680840]

約数ペア:

[(1, 173680840), (2, 86840420), (4, 43420210), (5, 34736168), (8, 21710105), (10, 17368084), (17, 10216520), (20, 8684042), (34, 5108260), (40, 4342021), (68, 2554130), (85, 2043304), (136, 1277065), (170, 1021652), (340, 510826), (680, 255413)]