690327455

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 884822400

約数和(自身を除く): 194494945

約数列:

[1, 5, 29, 41, 145, 151, 205, 755, 769, 1189, 3845, 4379, 5945, 6191, 21895, 22301, 30955, 31529, 111505, 116119, 157645, 179539, 580595, 897695, 914341, 3367451, 4571705, 4760879, 16837255, 23804395, 138065491, 690327455]

約数ペア:

[(1, 690327455), (5, 138065491), (29, 23804395), (41, 16837255), (145, 4760879), (151, 4571705), (205, 3367451), (755, 914341), (769, 897695), (1189, 580595), (3845, 179539), (4379, 157645), (5945, 116119), (6191, 111505), (21895, 31529), (22301, 30955)]