12354220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 27433728

約数和(自身を除く): 15079508

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 251, 428, 460, 502, 535, 1004, 1070, 1255, 2140, 2461, 2510, 4922, 5020, 5773, 9844, 11546, 12305, 23092, 24610, 26857, 28865, 49220, 53714, 57730, 107428, 115460, 134285, 268570, 537140, 617711, 1235422, 2470844, 3088555, 6177110, 12354220]

約数ペア:

[(1, 12354220), (2, 6177110), (4, 3088555), (5, 2470844), (10, 1235422), (20, 617711), (23, 537140), (46, 268570), (92, 134285), (107, 115460), (115, 107428), (214, 57730), (230, 53714), (251, 49220), (428, 28865), (460, 26857), (502, 24610), (535, 23092), (1004, 12305), (1070, 11546), (1255, 9844), (2140, 5773), (2461, 5020), (2510, 4922)]