688020175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^2$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 922159728

約数和(自身を除く): 234139553

約数列:

[1, 5, 17, 25, 71, 85, 151, 355, 425, 755, 1207, 1775, 2567, 3775, 6035, 10721, 12835, 22801, 30175, 53605, 64175, 114005, 182257, 268025, 387617, 570025, 911285, 1618871, 1938085, 4556425, 8094355, 9690425, 27520807, 40471775, 137604035, 688020175]

約数ペア:

[(1, 688020175), (5, 137604035), (17, 40471775), (25, 27520807), (71, 9690425), (85, 8094355), (151, 4556425), (355, 1938085), (425, 1618871), (755, 911285), (1207, 570025), (1775, 387617), (2567, 268025), (3775, 182257), (6035, 114005), (10721, 64175), (12835, 53605), (22801, 30175)]