291265780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{11549}}^1$

素因数の和:11668

約数の個数: 48

約数和(自身を含む): 665557200

約数和(自身を除く): 374291420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 11549, 12610, 23098, 25220, 46196, 57745, 115490, 150137, 230980, 300274, 600548, 750685, 1120253, 1501370, 2240506, 3002740, 4481012, 5601265, 11202530, 14563289, 22405060, 29126578, 58253156, 72816445, 145632890, 291265780]

約数ペア:

[(1, 291265780), (2, 145632890), (4, 72816445), (5, 58253156), (10, 29126578), (13, 22405060), (20, 14563289), (26, 11202530), (52, 5601265), (65, 4481012), (97, 3002740), (130, 2240506), (194, 1501370), (260, 1120253), (388, 750685), (485, 600548), (970, 300274), (1261, 230980), (1940, 150137), (2522, 115490), (5044, 57745), (6305, 46196), (11549, 25220), (12610, 23098)]