313660820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{5261}}^1$

素因数の和:5552

約数の個数: 48

約数和(自身を含む): 721357056

約数和(自身を除く): 407696236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 271, 542, 1084, 1355, 2710, 2981, 5261, 5420, 5962, 10522, 11924, 14905, 21044, 26305, 29810, 52610, 57871, 59620, 105220, 115742, 231484, 289355, 578710, 1157420, 1425731, 2851462, 5702924, 7128655, 14257310, 15683041, 28514620, 31366082, 62732164, 78415205, 156830410, 313660820]

約数ペア:

[(1, 313660820), (2, 156830410), (4, 78415205), (5, 62732164), (10, 31366082), (11, 28514620), (20, 15683041), (22, 14257310), (44, 7128655), (55, 5702924), (110, 2851462), (220, 1425731), (271, 1157420), (542, 578710), (1084, 289355), (1355, 231484), (2710, 115742), (2981, 105220), (5261, 59620), (5420, 57871), (5962, 52610), (10522, 29810), (11924, 26305), (14905, 21044)]