129619549940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{66814201}}^1$

素因数の和:66814307

約数の個数: 24

約数和(自身を含む): 275007255432

約数和(自身を除く): 145387705492

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 66814201, 133628402, 267256804, 334071005, 668142010, 1336284020, 6480977497, 12961954994, 25923909988, 32404887485, 64809774970, 129619549940]

約数ペア:

[(1, 129619549940), (2, 64809774970), (4, 32404887485), (5, 25923909988), (10, 12961954994), (20, 6480977497), (97, 1336284020), (194, 668142010), (388, 334071005), (485, 267256804), (970, 133628402), (1940, 66814201)]