521510020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{35671}}^1$

素因数の和:35740

約数の個数: 48

約数和(自身を含む): 1186593408

約数和(自身を除く): 665083388

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, 35671, 71342, 142684, 178355, 356710, 606407, 713420, 1212814, 1533853, 2425628, 3032035, 3067706, 6064070, 6135412, 7669265, 12128140, 15338530, 26075501, 30677060, 52151002, 104302004, 130377505, 260755010, 521510020]

約数ペア:

[(1, 521510020), (2, 260755010), (4, 130377505), (5, 104302004), (10, 52151002), (17, 30677060), (20, 26075501), (34, 15338530), (43, 12128140), (68, 7669265), (85, 6135412), (86, 6064070), (170, 3067706), (172, 3032035), (215, 2425628), (340, 1533853), (430, 1212814), (731, 713420), (860, 606407), (1462, 356710), (2924, 178355), (3655, 142684), (7310, 71342), (14620, 35671)]