81864650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1549}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 175286400

約数和(自身を除く): 93421750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 151, 175, 302, 350, 755, 1057, 1510, 1549, 2114, 3098, 3775, 5285, 7550, 7745, 10570, 10843, 15490, 21686, 26425, 38725, 52850, 54215, 77450, 108430, 233899, 271075, 467798, 542150, 1169495, 1637293, 2338990, 3274586, 5847475, 8186465, 11694950, 16372930, 40932325, 81864650]

約数ペア:

[(1, 81864650), (2, 40932325), (5, 16372930), (7, 11694950), (10, 8186465), (14, 5847475), (25, 3274586), (35, 2338990), (50, 1637293), (70, 1169495), (151, 542150), (175, 467798), (302, 271075), (350, 233899), (755, 108430), (1057, 77450), (1510, 54215), (1549, 52850), (2114, 38725), (3098, 26425), (3775, 21686), (5285, 15490), (7550, 10843), (7745, 10570)]