897799580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61409}}^1$

素因数の和:61478

約数の個数: 48

約数和(自身を含む): 2042742240

約数和(自身を除く): 1144942660

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, 61409, 122818, 245636, 307045, 614090, 1043953, 1228180, 2087906, 2640587, 4175812, 5219765, 5281174, 10439530, 10562348, 13202935, 20879060, 26405870, 44889979, 52811740, 89779958, 179559916, 224449895, 448899790, 897799580]

約数ペア:

[(1, 897799580), (2, 448899790), (4, 224449895), (5, 179559916), (10, 89779958), (17, 52811740), (20, 44889979), (34, 26405870), (43, 20879060), (68, 13202935), (85, 10562348), (86, 10439530), (170, 5281174), (172, 5219765), (215, 4175812), (340, 2640587), (430, 2087906), (731, 1228180), (860, 1043953), (1462, 614090), (2924, 307045), (3655, 245636), (7310, 122818), (14620, 61409)]