378409780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{25261}}^1$

素因数の和:25384

約数の個数: 48

約数和(自身を含む): 916707456

約数和(自身を除く): 538297676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 25261, 50522, 101044, 126305, 176827, 252610, 353654, 505220, 707308, 884135, 1768270, 2702927, 3536540, 5405854, 10811708, 13514635, 18920489, 27029270, 37840978, 54058540, 75681956, 94602445, 189204890, 378409780]

約数ペア:

[(1, 378409780), (2, 189204890), (4, 94602445), (5, 75681956), (7, 54058540), (10, 37840978), (14, 27029270), (20, 18920489), (28, 13514635), (35, 10811708), (70, 5405854), (107, 3536540), (140, 2702927), (214, 1768270), (428, 884135), (535, 707308), (749, 505220), (1070, 353654), (1498, 252610), (2140, 176827), (2996, 126305), (3745, 101044), (7490, 50522), (14980, 25261)]