218414920

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{4663}}^1$

素因数の和:5845

約数の個数: 32

約数和(自身を含む): 491958720

約数和(自身を除く): 273543800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4663, 4684, 5855, 9326, 9368, 11710, 18652, 23315, 23420, 37304, 46630, 46840, 93260, 186520, 5460373, 10920746, 21841492, 27301865, 43682984, 54603730, 109207460, 218414920]

約数ペア:

[(1, 218414920), (2, 109207460), (4, 54603730), (5, 43682984), (8, 27301865), (10, 21841492), (20, 10920746), (40, 5460373), (1171, 186520), (2342, 93260), (4663, 46840), (4684, 46630), (5855, 37304), (9326, 23420), (9368, 23315), (11710, 18652)]