210979780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{1601}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 484444800

約数和(自身を除く): 273465020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 599, 1198, 1601, 2396, 2995, 3202, 5990, 6404, 6589, 8005, 11980, 13178, 16010, 17611, 26356, 32020, 32945, 35222, 65890, 70444, 88055, 131780, 176110, 352220, 958999, 1917998, 3835996, 4794995, 9589990, 10548989, 19179980, 21097978, 42195956, 52744945, 105489890, 210979780]

約数ペア:

[(1, 210979780), (2, 105489890), (4, 52744945), (5, 42195956), (10, 21097978), (11, 19179980), (20, 10548989), (22, 9589990), (44, 4794995), (55, 3835996), (110, 1917998), (220, 958999), (599, 352220), (1198, 176110), (1601, 131780), (2396, 88055), (2995, 70444), (3202, 65890), (5990, 35222), (6404, 32945), (6589, 32020), (8005, 26356), (11980, 17611), (13178, 16010)]