274329580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20201}}^1$

素因数の和:20314

約数の個数: 48

約数和(自身を含む): 665211456

約数和(自身を除く): 390881876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 20201, 40402, 80804, 101005, 141407, 202010, 282814, 404020, 565628, 707035, 1414070, 1959497, 2828140, 3918994, 7837988, 9797485, 13716479, 19594970, 27432958, 39189940, 54865916, 68582395, 137164790, 274329580]

約数ペア:

[(1, 274329580), (2, 137164790), (4, 68582395), (5, 54865916), (7, 39189940), (10, 27432958), (14, 19594970), (20, 13716479), (28, 9797485), (35, 7837988), (70, 3918994), (97, 2828140), (140, 1959497), (194, 1414070), (388, 707035), (485, 565628), (679, 404020), (970, 282814), (1358, 202010), (1940, 141407), (2716, 101005), (3395, 80804), (6790, 40402), (13580, 20201)]