408871870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{128173}}^1$

素因数の和:128220

約数の個数: 32

約数和(自身を含む): 830567520

約数和(自身を除く): 421695650

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 128173, 256346, 640865, 1281730, 1409903, 2819806, 3717017, 7049515, 7434034, 14099030, 18585085, 37170170, 40887187, 81774374, 204435935, 408871870]

約数ペア:

[(1, 408871870), (2, 204435935), (5, 81774374), (10, 40887187), (11, 37170170), (22, 18585085), (29, 14099030), (55, 7434034), (58, 7049515), (110, 3717017), (145, 2819806), (290, 1409903), (319, 1281730), (638, 640865), (1595, 256346), (3190, 128173)]