31800260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 70713216

約数和(自身を除く): 38912956

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 947, 1460, 1679, 1894, 3358, 3788, 4735, 6716, 8395, 9470, 16790, 18940, 21781, 33580, 43562, 69131, 87124, 108905, 138262, 217810, 276524, 345655, 435620, 691310, 1382620, 1590013, 3180026, 6360052, 7950065, 15900130, 31800260]

約数ペア:

[(1, 31800260), (2, 15900130), (4, 7950065), (5, 6360052), (10, 3180026), (20, 1590013), (23, 1382620), (46, 691310), (73, 435620), (92, 345655), (115, 276524), (146, 217810), (230, 138262), (292, 108905), (365, 87124), (460, 69131), (730, 43562), (947, 33580), (1460, 21781), (1679, 18940), (1894, 16790), (3358, 9470), (3788, 8395), (4735, 6716)]