89950280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{45893}}^1$

素因数の和:45918

約数の個数: 48

約数和(自身を含む): 235436220

約数和(自身を除く): 145485940

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, 45893, 91786, 183572, 229465, 321251, 367144, 458930, 642502, 917860, 1285004, 1606255, 1835720, 2248757, 2570008, 3212510, 4497514, 6425020, 8995028, 11243785, 12850040, 17990056, 22487570, 44975140, 89950280]

約数ペア:

[(1, 89950280), (2, 44975140), (4, 22487570), (5, 17990056), (7, 12850040), (8, 11243785), (10, 8995028), (14, 6425020), (20, 4497514), (28, 3212510), (35, 2570008), (40, 2248757), (49, 1835720), (56, 1606255), (70, 1285004), (98, 917860), (140, 642502), (196, 458930), (245, 367144), (280, 321251), (392, 229465), (490, 183572), (980, 91786), (1960, 45893)]