254140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 543312

約数和(自身を除く): 289172

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 388, 485, 524, 655, 970, 1310, 1940, 2620, 12707, 25414, 50828, 63535, 127070, 254140]

約数ペア:

[(1, 254140), (2, 127070), (4, 63535), (5, 50828), (10, 25414), (20, 12707), (97, 2620), (131, 1940), (194, 1310), (262, 970), (388, 655), (485, 524)]