90175855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 47718545

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 121, 199, 385, 535, 605, 749, 847, 995, 1177, 1393, 2189, 3745, 4235, 5885, 6965, 8239, 10945, 12947, 15323, 21293, 24079, 41195, 64735, 76615, 90629, 106465, 120395, 149051, 168553, 234223, 453145, 745255, 842765, 1171115, 1639561, 2576453, 8197805, 12882265, 18035171, 90175855]

約数ペア:

[(1, 90175855), (5, 18035171), (7, 12882265), (11, 8197805), (35, 2576453), (55, 1639561), (77, 1171115), (107, 842765), (121, 745255), (199, 453145), (385, 234223), (535, 168553), (605, 149051), (749, 120395), (847, 106465), (995, 90629), (1177, 76615), (1393, 64735), (2189, 41195), (3745, 24079), (4235, 21293), (5885, 15323), (6965, 12947), (8239, 10945)]