22539020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 55828080

約数和(自身を除く): 33289060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 211, 218, 245, 422, 436, 490, 545, 763, 844, 980, 1055, 1090, 1477, 1526, 2110, 2180, 2954, 3052, 3815, 4220, 5341, 5908, 7385, 7630, 10339, 10682, 14770, 15260, 20678, 21364, 22999, 26705, 29540, 41356, 45998, 51695, 53410, 91996, 103390, 106820, 114995, 160993, 206780, 229990, 321986, 459980, 643972, 804965, 1126951, 1609930, 2253902, 3219860, 4507804, 5634755, 11269510, 22539020]

約数ペア:

[(1, 22539020), (2, 11269510), (4, 5634755), (5, 4507804), (7, 3219860), (10, 2253902), (14, 1609930), (20, 1126951), (28, 804965), (35, 643972), (49, 459980), (70, 321986), (98, 229990), (109, 206780), (140, 160993), (196, 114995), (211, 106820), (218, 103390), (245, 91996), (422, 53410), (436, 51695), (490, 45998), (545, 41356), (763, 29540), (844, 26705), (980, 22999), (1055, 21364), (1090, 20678), (1477, 15260), (1526, 14770), (2110, 10682), (2180, 10339), (2954, 7630), (3052, 7385), (3815, 5908), (4220, 5341)]