147744980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89003}}^1$

素因数の和:89095

約数の個数: 24

約数和(自身を含む): 314006112

約数和(自身を除く): 166261132

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 89003, 178006, 356012, 445015, 890030, 1780060, 7387249, 14774498, 29548996, 36936245, 73872490, 147744980]

約数ペア:

[(1, 147744980), (2, 73872490), (4, 36936245), (5, 29548996), (10, 14774498), (20, 7387249), (83, 1780060), (166, 890030), (332, 445015), (415, 356012), (830, 178006), (1660, 89003)]