218878240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{195427}}^1$

素因数の和:195449

約数の個数: 48

約数和(自身を含む): 590974272

約数和(自身を除く): 372096032

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, 195427, 390854, 781708, 977135, 1367989, 1563416, 1954270, 2735978, 3126832, 3908540, 5471956, 6253664, 6839945, 7817080, 10943912, 13679890, 15634160, 21887824, 27359780, 31268320, 43775648, 54719560, 109439120, 218878240]

約数ペア:

[(1, 218878240), (2, 109439120), (4, 54719560), (5, 43775648), (7, 31268320), (8, 27359780), (10, 21887824), (14, 15634160), (16, 13679890), (20, 10943912), (28, 7817080), (32, 6839945), (35, 6253664), (40, 5471956), (56, 3908540), (70, 3126832), (80, 2735978), (112, 1954270), (140, 1563416), (160, 1367989), (224, 977135), (280, 781708), (560, 390854), (1120, 195427)]