199127860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76003}}^1$

素因数の和:76143

約数の個数: 24

約数和(自身を含む): 421366176

約数和(自身を除く): 222238316

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76003, 152006, 304012, 380015, 760030, 1520060, 9956393, 19912786, 39825572, 49781965, 99563930, 199127860]

約数ペア:

[(1, 199127860), (2, 99563930), (4, 49781965), (5, 39825572), (10, 19912786), (20, 9956393), (131, 1520060), (262, 760030), (524, 380015), (655, 304012), (1310, 152006), (2620, 76003)]