200943215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 269568000

約数和(自身を除く): 68624785

約数列:

[1, 5, 11, 55, 79, 103, 395, 449, 515, 869, 1133, 2245, 4345, 4939, 5665, 8137, 24695, 35471, 40685, 46247, 89507, 177355, 231235, 390181, 447535, 508717, 1950905, 2543585, 3653513, 18267565, 40188643, 200943215]

約数ペア:

[(1, 200943215), (5, 40188643), (11, 18267565), (55, 3653513), (79, 2543585), (103, 1950905), (395, 508717), (449, 447535), (515, 390181), (869, 231235), (1133, 177355), (2245, 89507), (4345, 46247), (4939, 40685), (5665, 35471), (8137, 24695)]