202720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{181}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 550368

約数和(自身を除く): 347648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 181, 224, 280, 362, 560, 724, 905, 1120, 1267, 1448, 1810, 2534, 2896, 3620, 5068, 5792, 6335, 7240, 10136, 12670, 14480, 20272, 25340, 28960, 40544, 50680, 101360, 202720]

約数ペア:

[(1, 202720), (2, 101360), (4, 50680), (5, 40544), (7, 28960), (8, 25340), (10, 20272), (14, 14480), (16, 12670), (20, 10136), (28, 7240), (32, 6335), (35, 5792), (40, 5068), (56, 3620), (70, 2896), (80, 2534), (112, 1810), (140, 1448), (160, 1267), (181, 1120), (224, 905), (280, 724), (362, 560)]