55539860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 119658000

約数和(自身を除く): 64118140

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 218, 292, 349, 365, 436, 545, 698, 730, 1090, 1396, 1460, 1745, 2180, 3490, 6980, 7957, 15914, 25477, 31828, 38041, 39785, 50954, 76082, 79570, 101908, 127385, 152164, 159140, 190205, 254770, 380410, 509540, 760820, 2776993, 5553986, 11107972, 13884965, 27769930, 55539860]

約数ペア:

[(1, 55539860), (2, 27769930), (4, 13884965), (5, 11107972), (10, 5553986), (20, 2776993), (73, 760820), (109, 509540), (146, 380410), (218, 254770), (292, 190205), (349, 159140), (365, 152164), (436, 127385), (545, 101908), (698, 79570), (730, 76082), (1090, 50954), (1396, 39785), (1460, 38041), (1745, 31828), (2180, 25477), (3490, 15914), (6980, 7957)]