1645940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 3773952

約数和(自身を除く): 2128012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 103, 170, 188, 206, 235, 340, 412, 470, 515, 799, 940, 1030, 1598, 1751, 2060, 3196, 3502, 3995, 4841, 7004, 7990, 8755, 9682, 15980, 17510, 19364, 24205, 35020, 48410, 82297, 96820, 164594, 329188, 411485, 822970, 1645940]

約数ペア:

[(1, 1645940), (2, 822970), (4, 411485), (5, 329188), (10, 164594), (17, 96820), (20, 82297), (34, 48410), (47, 35020), (68, 24205), (85, 19364), (94, 17510), (103, 15980), (170, 9682), (188, 8755), (206, 7990), (235, 7004), (340, 4841), (412, 3995), (470, 3502), (515, 3196), (799, 2060), (940, 1751), (1030, 1598)]