1987790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 4155840

約数和(自身を除く): 2168050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 389, 511, 730, 778, 1022, 1945, 2555, 2723, 3890, 5110, 5446, 13615, 27230, 28397, 56794, 141985, 198779, 283970, 397558, 993895, 1987790]

約数ペア:

[(1, 1987790), (2, 993895), (5, 397558), (7, 283970), (10, 198779), (14, 141985), (35, 56794), (70, 28397), (73, 27230), (146, 13615), (365, 5446), (389, 5110), (511, 3890), (730, 2723), (778, 2555), (1022, 1945)]