131213050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2341}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 261367200

約数和(自身を除く): 130154150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 950, 1121, 1475, 2242, 2341, 2950, 4682, 5605, 11210, 11705, 23410, 28025, 44479, 56050, 58525, 88958, 117050, 138119, 222395, 276238, 444790, 690595, 1111975, 1381190, 2223950, 2624261, 3452975, 5248522, 6905950, 13121305, 26242610, 65606525, 131213050]

約数ペア:

[(1, 131213050), (2, 65606525), (5, 26242610), (10, 13121305), (19, 6905950), (25, 5248522), (38, 3452975), (50, 2624261), (59, 2223950), (95, 1381190), (118, 1111975), (190, 690595), (295, 444790), (475, 276238), (590, 222395), (950, 138119), (1121, 117050), (1475, 88958), (2242, 58525), (2341, 56050), (2950, 44479), (4682, 28025), (5605, 23410), (11210, 11705)]