90060040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{45949}}^1$

素因数の和:45974

約数の個数: 48

約数和(自身を含む): 235723500

約数和(自身を除く): 145663460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 45949, 91898, 183796, 229745, 321643, 367592, 459490, 643286, 918980, 1286572, 1608215, 1837960, 2251501, 2573144, 3216430, 4503002, 6432860, 9006004, 11257505, 12865720, 18012008, 22515010, 45030020, 90060040]

約数ペア:

[(1, 90060040), (2, 45030020), (4, 22515010), (5, 18012008), (7, 12865720), (8, 11257505), (10, 9006004), (14, 6432860), (20, 4503002), (28, 3216430), (35, 2573144), (40, 2251501), (49, 1837960), (56, 1608215), (70, 1286572), (98, 918980), (140, 643286), (196, 459490), (245, 367592), (280, 321643), (392, 229745), (490, 183796), (980, 91898), (1960, 45949)]