405710892

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{489989}}^1$

素因数の和:490022

約数の個数: 36

約数和(自身を含む): 1070138160

約数和(自身を除く): 664427268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 489989, 979978, 1469967, 1959956, 2939934, 4409901, 5879868, 8819802, 11269747, 17639604, 22539494, 33809241, 45078988, 67618482, 101427723, 135236964, 202855446, 405710892]

約数ペア:

[(1, 405710892), (2, 202855446), (3, 135236964), (4, 101427723), (6, 67618482), (9, 45078988), (12, 33809241), (18, 22539494), (23, 17639604), (36, 11269747), (46, 8819802), (69, 5879868), (92, 4409901), (138, 2939934), (207, 1959956), (276, 1469967), (414, 979978), (828, 489989)]