130773160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66721}}^1$

素因数の和:66746

約数の個数: 48

約数和(自身を含む): 342283860

約数和(自身を除く): 211510700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66721, 133442, 266884, 333605, 467047, 533768, 667210, 934094, 1334420, 1868188, 2335235, 2668840, 3269329, 3736376, 4670470, 6538658, 9340940, 13077316, 16346645, 18681880, 26154632, 32693290, 65386580, 130773160]

約数ペア:

[(1, 130773160), (2, 65386580), (4, 32693290), (5, 26154632), (7, 18681880), (8, 16346645), (10, 13077316), (14, 9340940), (20, 6538658), (28, 4670470), (35, 3736376), (40, 3269329), (49, 2668840), (56, 2335235), (70, 1868188), (98, 1334420), (140, 934094), (196, 667210), (245, 533768), (280, 467047), (392, 333605), (490, 266884), (980, 133442), (1960, 66721)]