214472020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{218849}}^1$

素因数の和:218872

約数の個数: 36

約数和(自身を含む): 523926900

約数和(自身を除く): 309454880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 218849, 437698, 875396, 1094245, 1531943, 2188490, 3063886, 4376980, 6127772, 7659715, 10723601, 15319430, 21447202, 30638860, 42894404, 53618005, 107236010, 214472020]

約数ペア:

[(1, 214472020), (2, 107236010), (4, 53618005), (5, 42894404), (7, 30638860), (10, 21447202), (14, 15319430), (20, 10723601), (28, 7659715), (35, 6127772), (49, 4376980), (70, 3063886), (98, 2188490), (140, 1531943), (196, 1094245), (245, 875396), (490, 437698), (980, 218849)]