4205090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 8087040

約数和(自身を除く): 3881950

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 389, 470, 778, 1081, 1945, 2162, 3890, 5405, 8947, 10810, 17894, 18283, 36566, 44735, 89470, 91415, 182830, 420509, 841018, 2102545, 4205090]

約数ペア:

[(1, 4205090), (2, 2102545), (5, 841018), (10, 420509), (23, 182830), (46, 91415), (47, 89470), (94, 44735), (115, 36566), (230, 18283), (235, 17894), (389, 10810), (470, 8947), (778, 5405), (1081, 3890), (1945, 2162)]