29400260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 34103740

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 199, 332, 356, 398, 415, 445, 796, 830, 890, 995, 1660, 1780, 1990, 3980, 7387, 14774, 16517, 17711, 29548, 33034, 35422, 36935, 66068, 70844, 73870, 82585, 88555, 147740, 165170, 177110, 330340, 354220, 1470013, 2940026, 5880052, 7350065, 14700130, 29400260]

約数ペア:

[(1, 29400260), (2, 14700130), (4, 7350065), (5, 5880052), (10, 2940026), (20, 1470013), (83, 354220), (89, 330340), (166, 177110), (178, 165170), (199, 147740), (332, 88555), (356, 82585), (398, 73870), (415, 70844), (445, 66068), (796, 36935), (830, 35422), (890, 33034), (995, 29548), (1660, 17711), (1780, 16517), (1990, 14774), (3980, 7387)]