201281780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2749}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 484176000

約数和(自身を除く): 282894220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 1046, 2092, 2615, 2749, 3661, 5230, 5498, 7322, 10460, 10996, 13745, 14644, 18305, 19243, 27490, 36610, 38486, 54980, 73220, 76972, 96215, 192430, 384860, 1437727, 2875454, 5750908, 7188635, 10064089, 14377270, 20128178, 28754540, 40256356, 50320445, 100640890, 201281780]

約数ペア:

[(1, 201281780), (2, 100640890), (4, 50320445), (5, 40256356), (7, 28754540), (10, 20128178), (14, 14377270), (20, 10064089), (28, 7188635), (35, 5750908), (70, 2875454), (140, 1437727), (523, 384860), (1046, 192430), (2092, 96215), (2615, 76972), (2749, 73220), (3661, 54980), (5230, 38486), (5498, 36610), (7322, 27490), (10460, 19243), (10996, 18305), (13745, 14644)]