42657440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5441}}^1$

素因数の和:5470

約数の個数: 72

約数和(自身を含む): 117253332

約数和(自身を除く): 74595892

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5441, 7840, 10882, 21764, 27205, 38087, 43528, 54410, 76174, 87056, 108820, 152348, 174112, 190435, 217640, 266609, 304696, 380870, 435280, 533218, 609392, 761740, 870560, 1066436, 1218784, 1333045, 1523480, 2132872, 2666090, 3046960, 4265744, 5332180, 6093920, 8531488, 10664360, 21328720, 42657440]

約数ペア:

[(1, 42657440), (2, 21328720), (4, 10664360), (5, 8531488), (7, 6093920), (8, 5332180), (10, 4265744), (14, 3046960), (16, 2666090), (20, 2132872), (28, 1523480), (32, 1333045), (35, 1218784), (40, 1066436), (49, 870560), (56, 761740), (70, 609392), (80, 533218), (98, 435280), (112, 380870), (140, 304696), (160, 266609), (196, 217640), (224, 190435), (245, 174112), (280, 152348), (392, 108820), (490, 87056), (560, 76174), (784, 54410), (980, 43528), (1120, 38087), (1568, 27205), (1960, 21764), (3920, 10882), (5441, 7840)]