311937725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 447828480

約数和(自身を除く): 135890755

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 227, 263, 275, 475, 1045, 1135, 1315, 2497, 2893, 4313, 4997, 5225, 5675, 6575, 12485, 14465, 21565, 24985, 47443, 54967, 59701, 62425, 72325, 107825, 124925, 237215, 274835, 298505, 656711, 1134319, 1186075, 1374175, 1492525, 3283555, 5671595, 12477509, 16417775, 28357975, 62387545, 311937725]

約数ペア:

[(1, 311937725), (5, 62387545), (11, 28357975), (19, 16417775), (25, 12477509), (55, 5671595), (95, 3283555), (209, 1492525), (227, 1374175), (263, 1186075), (275, 1134319), (475, 656711), (1045, 298505), (1135, 274835), (1315, 237215), (2497, 124925), (2893, 107825), (4313, 72325), (4997, 62425), (5225, 59701), (5675, 54967), (6575, 47443), (12485, 24985), (14465, 21565)]