205843480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{302711}}^1$

素因数の和:302739

約数の個数: 32

約数和(自身を含む): 490393440

約数和(自身を除く): 284549960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 302711, 605422, 1210844, 1513555, 2421688, 3027110, 5146087, 6054220, 10292174, 12108440, 20584348, 25730435, 41168696, 51460870, 102921740, 205843480]

約数ペア:

[(1, 205843480), (2, 102921740), (4, 51460870), (5, 41168696), (8, 25730435), (10, 20584348), (17, 12108440), (20, 10292174), (34, 6054220), (40, 5146087), (68, 3027110), (85, 2421688), (136, 1513555), (170, 1210844), (340, 605422), (680, 302711)]