258167420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{25261}}^1$

素因数の和:25350

約数の個数: 48

約数和(自身を含む): 628114368

約数和(自身を除く): 369946948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 25261, 50522, 101044, 126305, 176827, 252610, 353654, 505220, 707308, 884135, 1768270, 1844053, 3536540, 3688106, 7376212, 9220265, 12908371, 18440530, 25816742, 36881060, 51633484, 64541855, 129083710, 258167420]

約数ペア:

[(1, 258167420), (2, 129083710), (4, 64541855), (5, 51633484), (7, 36881060), (10, 25816742), (14, 18440530), (20, 12908371), (28, 9220265), (35, 7376212), (70, 3688106), (73, 3536540), (140, 1844053), (146, 1768270), (292, 884135), (365, 707308), (511, 505220), (730, 353654), (1022, 252610), (1460, 176827), (2044, 126305), (2555, 101044), (5110, 50522), (10220, 25261)]