282079880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{72701}}^1$

素因数の和:72809

約数の個数: 32

約数和(自身を含む): 641231640

約数和(自身を除く): 359151760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 72701, 145402, 290804, 363505, 581608, 727010, 1454020, 2908040, 7051997, 14103994, 28207988, 35259985, 56415976, 70519970, 141039940, 282079880]

約数ペア:

[(1, 282079880), (2, 141039940), (4, 70519970), (5, 56415976), (8, 35259985), (10, 28207988), (20, 14103994), (40, 7051997), (97, 2908040), (194, 1454020), (388, 727010), (485, 581608), (776, 363505), (970, 290804), (1940, 145402), (3880, 72701)]