398028420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2211269}}^1$

素因数の和:2211284

約数の個数: 36

約数和(自身を含む): 1207353420

約数和(自身を除く): 809325000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2211269, 4422538, 6633807, 8845076, 11056345, 13267614, 19901421, 22112690, 26535228, 33169035, 39802842, 44225380, 66338070, 79605684, 99507105, 132676140, 199014210, 398028420]

約数ペア:

[(1, 398028420), (2, 199014210), (3, 132676140), (4, 99507105), (5, 79605684), (6, 66338070), (9, 44225380), (10, 39802842), (12, 33169035), (15, 26535228), (18, 22112690), (20, 19901421), (30, 13267614), (36, 11056345), (45, 8845076), (60, 6633807), (90, 4422538), (180, 2211269)]