28976780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8999}}^1$

素因数の和:9038

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 43599220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8999, 17998, 35996, 44995, 62993, 89990, 125986, 179980, 206977, 251972, 314965, 413954, 629930, 827908, 1034885, 1259860, 1448839, 2069770, 2897678, 4139540, 5795356, 7244195, 14488390, 28976780]

約数ペア:

[(1, 28976780), (2, 14488390), (4, 7244195), (5, 5795356), (7, 4139540), (10, 2897678), (14, 2069770), (20, 1448839), (23, 1259860), (28, 1034885), (35, 827908), (46, 629930), (70, 413954), (92, 314965), (115, 251972), (140, 206977), (161, 179980), (230, 125986), (322, 89990), (460, 62993), (644, 44995), (805, 35996), (1610, 17998), (3220, 8999)]