1294422890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1\times {\mathrm{4391}}^1$

素因数の和:5158

約数の個数: 32

約数和(自身を含む): 2390653440

約数和(自身を除く): 1096230550

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 719, 1438, 3595, 4391, 7190, 8782, 21955, 29479, 43910, 58958, 147395, 180031, 294790, 360062, 900155, 1800310, 3157129, 6314258, 15785645, 31571290, 129442289, 258884578, 647211445, 1294422890]

約数ペア:

[(1, 1294422890), (2, 647211445), (5, 258884578), (10, 129442289), (41, 31571290), (82, 15785645), (205, 6314258), (410, 3157129), (719, 1800310), (1438, 900155), (3595, 360062), (4391, 294790), (7190, 180031), (8782, 147395), (21955, 58958), (29479, 43910)]