2789720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3560680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 719, 776, 970, 1438, 1940, 2876, 3595, 3880, 5752, 7190, 14380, 28760, 69743, 139486, 278972, 348715, 557944, 697430, 1394860, 2789720]

約数ペア:

[(1, 2789720), (2, 1394860), (4, 697430), (5, 557944), (8, 348715), (10, 278972), (20, 139486), (40, 69743), (97, 28760), (194, 14380), (388, 7190), (485, 5752), (719, 3880), (776, 3595), (970, 2876), (1438, 1940)]