160002220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8999}}^1$

素因数の和:9142

約数の個数: 48

約数和(自身を含む): 387072000

約数和(自身を除く): 227069780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 8999, 17780, 17998, 35996, 44995, 62993, 89990, 125986, 179980, 251972, 314965, 629930, 1142873, 1259860, 2285746, 4571492, 5714365, 8000111, 11428730, 16000222, 22857460, 32000444, 40000555, 80001110, 160002220]

約数ペア:

[(1, 160002220), (2, 80001110), (4, 40000555), (5, 32000444), (7, 22857460), (10, 16000222), (14, 11428730), (20, 8000111), (28, 5714365), (35, 4571492), (70, 2285746), (127, 1259860), (140, 1142873), (254, 629930), (508, 314965), (635, 251972), (889, 179980), (1270, 125986), (1778, 89990), (2540, 62993), (3556, 44995), (4445, 35996), (8890, 17998), (8999, 17780)]