231566380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1297}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 497185920

約数和(自身を除く): 265619540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 452, 565, 790, 1130, 1297, 1580, 2260, 2594, 5188, 6485, 8927, 12970, 17854, 25940, 35708, 44635, 89270, 102463, 146561, 178540, 204926, 293122, 409852, 512315, 586244, 732805, 1024630, 1465610, 2049260, 2931220, 11578319, 23156638, 46313276, 57891595, 115783190, 231566380]

約数ペア:

[(1, 231566380), (2, 115783190), (4, 57891595), (5, 46313276), (10, 23156638), (20, 11578319), (79, 2931220), (113, 2049260), (158, 1465610), (226, 1024630), (316, 732805), (395, 586244), (452, 512315), (565, 409852), (790, 293122), (1130, 204926), (1297, 178540), (1580, 146561), (2260, 102463), (2594, 89270), (5188, 44635), (6485, 35708), (8927, 25940), (12970, 17854)]