28439820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157999}}^1$

素因数の和:158014

約数の個数: 36

約数和(自身を含む): 86268000

約数和(自身を除く): 57828180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157999, 315998, 473997, 631996, 789995, 947994, 1421991, 1579990, 1895988, 2369985, 2843982, 3159980, 4739970, 5687964, 7109955, 9479940, 14219910, 28439820]

約数ペア:

[(1, 28439820), (2, 14219910), (3, 9479940), (4, 7109955), (5, 5687964), (6, 4739970), (9, 3159980), (10, 2843982), (12, 2369985), (15, 1895988), (18, 1579990), (20, 1421991), (30, 947994), (36, 789995), (45, 631996), (60, 473997), (90, 315998), (180, 157999)]