2026931420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{138641}}^1$

素因数の和:138710

約数の個数: 48

約数和(自身を含む): 4611787488

約数和(自身を除く): 2584856068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 138641, 277282, 554564, 693205, 1386410, 2356897, 2772820, 4713794, 5961563, 9427588, 11784485, 11923126, 23568970, 23846252, 29807815, 47137940, 59615630, 101346571, 119231260, 202693142, 405386284, 506732855, 1013465710, 2026931420]

約数ペア:

[(1, 2026931420), (2, 1013465710), (4, 506732855), (5, 405386284), (10, 202693142), (17, 119231260), (20, 101346571), (34, 59615630), (43, 47137940), (68, 29807815), (85, 23846252), (86, 23568970), (170, 11923126), (172, 11784485), (215, 9427588), (340, 5961563), (430, 4713794), (731, 2772820), (860, 2356897), (1462, 1386410), (2924, 693205), (3655, 554564), (7310, 277282), (14620, 138641)]