250880

素因数分解:

$2^{10}\times 5^1\times 7^2$

素因数の和:39

約数の個数: 66

約数和(自身を含む): 700074

約数和(自身を除く): 449194

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 5120, 6272, 7168, 7840, 8960, 12544, 15680, 17920, 25088, 31360, 35840, 50176, 62720, 125440, 250880]

約数ペア:

[(1, 250880), (2, 125440), (4, 62720), (5, 50176), (7, 35840), (8, 31360), (10, 25088), (14, 17920), (16, 15680), (20, 12544), (28, 8960), (32, 7840), (35, 7168), (40, 6272), (49, 5120), (56, 4480), (64, 3920), (70, 3584), (80, 3136), (98, 2560), (112, 2240), (128, 1960), (140, 1792), (160, 1568), (196, 1280), (224, 1120), (245, 1024), (256, 980), (280, 896), (320, 784), (392, 640), (448, 560), (490, 512)]