243697420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{27883}}^1$

素因数の和:27934

約数の個数: 48

約数和(自身を含む): 562141440

約数和(自身を除く): 318444020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 27883, 55766, 111532, 139415, 278830, 529777, 557660, 641309, 1059554, 1282618, 2119108, 2565236, 2648885, 3206545, 5297770, 6413090, 10595540, 12184871, 12826180, 24369742, 48739484, 60924355, 121848710, 243697420]

約数ペア:

[(1, 243697420), (2, 121848710), (4, 60924355), (5, 48739484), (10, 24369742), (19, 12826180), (20, 12184871), (23, 10595540), (38, 6413090), (46, 5297770), (76, 3206545), (92, 2648885), (95, 2565236), (115, 2119108), (190, 1282618), (230, 1059554), (380, 641309), (437, 557660), (460, 529777), (874, 278830), (1748, 139415), (2185, 111532), (4370, 55766), (8740, 27883)]