3975580

素因数分解:

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

素因数の和:478

約数の個数: 48

約数和(自身を含む): 9696960

約数和(自身を除く): 5721380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 389, 511, 730, 778, 1022, 1460, 1556, 1945, 2044, 2555, 2723, 3890, 5110, 5446, 7780, 10220, 10892, 13615, 27230, 28397, 54460, 56794, 113588, 141985, 198779, 283970, 397558, 567940, 795116, 993895, 1987790, 3975580]

約数ペア:

[(1, 3975580), (2, 1987790), (4, 993895), (5, 795116), (7, 567940), (10, 397558), (14, 283970), (20, 198779), (28, 141985), (35, 113588), (70, 56794), (73, 54460), (140, 28397), (146, 27230), (292, 13615), (365, 10892), (389, 10220), (511, 7780), (730, 5446), (778, 5110), (1022, 3890), (1460, 2723), (1556, 2555), (1945, 2044)]