31980340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{32633}}^1$

素因数の和:32656

約数の個数: 36

約数和(自身を含む): 78125796

約数和(自身を除く): 46145456

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 32633, 65266, 130532, 163165, 228431, 326330, 456862, 652660, 913724, 1142155, 1599017, 2284310, 3198034, 4568620, 6396068, 7995085, 15990170, 31980340]

約数ペア:

[(1, 31980340), (2, 15990170), (4, 7995085), (5, 6396068), (7, 4568620), (10, 3198034), (14, 2284310), (20, 1599017), (28, 1142155), (35, 913724), (49, 652660), (70, 456862), (98, 326330), (140, 228431), (196, 163165), (245, 130532), (490, 65266), (980, 32633)]