211156940

素因数分解:

$2^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{5519}}^1$

素因数の和:7441

約数の個数: 24

約数和(自身を含む): 443741760

約数和(自身を除く): 232584820

約数列:

[1, 2, 4, 5, 10, 20, 1913, 3826, 5519, 7652, 9565, 11038, 19130, 22076, 27595, 38260, 55190, 110380, 10557847, 21115694, 42231388, 52789235, 105578470, 211156940]

約数ペア:

[(1, 211156940), (2, 105578470), (4, 52789235), (5, 42231388), (10, 21115694), (20, 10557847), (1913, 110380), (3826, 55190), (5519, 38260), (7652, 27595), (9565, 22076), (11038, 19130)]