1720514740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{12401}}^1$

素因数の和:13408

約数の個数: 48

約数和(自身を含む): 4133735424

約数和(自身を除く): 2413220684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 991, 1982, 3964, 4955, 6937, 9910, 12401, 13874, 19820, 24802, 27748, 34685, 49604, 62005, 69370, 86807, 124010, 138740, 173614, 248020, 347228, 434035, 868070, 1736140, 12289391, 24578782, 49157564, 61446955, 86025737, 122893910, 172051474, 245787820, 344102948, 430128685, 860257370, 1720514740]

約数ペア:

[(1, 1720514740), (2, 860257370), (4, 430128685), (5, 344102948), (7, 245787820), (10, 172051474), (14, 122893910), (20, 86025737), (28, 61446955), (35, 49157564), (70, 24578782), (140, 12289391), (991, 1736140), (1982, 868070), (3964, 434035), (4955, 347228), (6937, 248020), (9910, 173614), (12401, 138740), (13874, 124010), (19820, 86807), (24802, 69370), (27748, 62005), (34685, 49604)]