1252580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1892380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 389, 460, 644, 778, 805, 1556, 1610, 1945, 2723, 3220, 3890, 5446, 7780, 8947, 10892, 13615, 17894, 27230, 35788, 44735, 54460, 62629, 89470, 125258, 178940, 250516, 313145, 626290, 1252580]

約数ペア:

[(1, 1252580), (2, 626290), (4, 313145), (5, 250516), (7, 178940), (10, 125258), (14, 89470), (20, 62629), (23, 54460), (28, 44735), (35, 35788), (46, 27230), (70, 17894), (92, 13615), (115, 10892), (140, 8947), (161, 7780), (230, 5446), (322, 3890), (389, 3220), (460, 2723), (644, 1945), (778, 1610), (805, 1556)]