129499450

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{29101}}^1$

素因数の和:29202

約数の個数: 24

約数和(自身を含む): 243583740

約数和(自身を除く): 114084290

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 29101, 58202, 145505, 291010, 727525, 1455050, 2589989, 5179978, 12949945, 25899890, 64749725, 129499450]

約数ペア:

[(1, 129499450), (2, 64749725), (5, 25899890), (10, 12949945), (25, 5179978), (50, 2589989), (89, 1455050), (178, 727525), (445, 291010), (890, 145505), (2225, 58202), (4450, 29101)]