212374480

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20903}}^1$

素因数の和:21043

約数の個数: 40

約数和(自身を含む): 497682432

約数和(自身を除く): 285307952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20903, 41806, 83612, 104515, 167224, 209030, 334448, 418060, 836120, 1672240, 2654681, 5309362, 10618724, 13273405, 21237448, 26546810, 42474896, 53093620, 106187240, 212374480]

約数ペア:

[(1, 212374480), (2, 106187240), (4, 53093620), (5, 42474896), (8, 26546810), (10, 21237448), (16, 13273405), (20, 10618724), (40, 5309362), (80, 2654681), (127, 1672240), (254, 836120), (508, 418060), (635, 334448), (1016, 209030), (1270, 167224), (2032, 104515), (2540, 83612), (5080, 41806), (10160, 20903)]