221420160440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{325617883}}^1$

素因数の和:325617911

約数の個数: 32

約数和(自身を含む): 527500972080

約数和(自身を除く): 306080811640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 325617883, 651235766, 1302471532, 1628089415, 2604943064, 3256178830, 5535504011, 6512357660, 11071008022, 13024715320, 22142016044, 27677520055, 44284032088, 55355040110, 110710080220, 221420160440]

約数ペア:

[(1, 221420160440), (2, 110710080220), (4, 55355040110), (5, 44284032088), (8, 27677520055), (10, 22142016044), (17, 13024715320), (20, 11071008022), (34, 6512357660), (40, 5535504011), (68, 3256178830), (85, 2604943064), (136, 1628089415), (170, 1302471532), (340, 651235766), (680, 325617883)]