331355140

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 704894400

約数和(自身を除く): 373539260

約数列:

[1, 2, 4, 5, 10, 20, 149, 251, 298, 443, 502, 596, 745, 886, 1004, 1255, 1490, 1772, 2215, 2510, 2980, 4430, 5020, 8860, 37399, 66007, 74798, 111193, 132014, 149596, 186995, 222386, 264028, 330035, 373990, 444772, 555965, 660070, 747980, 1111930, 1320140, 2223860, 16567757, 33135514, 66271028, 82838785, 165677570, 331355140]

約数ペア:

[(1, 331355140), (2, 165677570), (4, 82838785), (5, 66271028), (10, 33135514), (20, 16567757), (149, 2223860), (251, 1320140), (298, 1111930), (443, 747980), (502, 660070), (596, 555965), (745, 444772), (886, 373990), (1004, 330035), (1255, 264028), (1490, 222386), (1772, 186995), (2215, 149596), (2510, 132014), (2980, 111193), (4430, 74798), (5020, 66007), (8860, 37399)]