205254560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{183263}}^1$

素因数の和:183285

約数の個数: 48

約数和(自身を含む): 554190336

約数和(自身を除く): 348935776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 183263, 366526, 733052, 916315, 1282841, 1466104, 1832630, 2565682, 2932208, 3665260, 5131364, 5864416, 6414205, 7330520, 10262728, 12828410, 14661040, 20525456, 25656820, 29322080, 41050912, 51313640, 102627280, 205254560]

約数ペア:

[(1, 205254560), (2, 102627280), (4, 51313640), (5, 41050912), (7, 29322080), (8, 25656820), (10, 20525456), (14, 14661040), (16, 12828410), (20, 10262728), (28, 7330520), (32, 6414205), (35, 5864416), (40, 5131364), (56, 3665260), (70, 2932208), (80, 2565682), (112, 1832630), (140, 1466104), (160, 1282841), (224, 916315), (280, 733052), (560, 366526), (1120, 183263)]