349720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 900000

約数和(自身を除く): 550280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1249, 2498, 4996, 6245, 8743, 9992, 12490, 17486, 24980, 34972, 43715, 49960, 69944, 87430, 174860, 349720]

約数ペア:

[(1, 349720), (2, 174860), (4, 87430), (5, 69944), (7, 49960), (8, 43715), (10, 34972), (14, 24980), (20, 17486), (28, 12490), (35, 9992), (40, 8743), (56, 6245), (70, 4996), (140, 2498), (280, 1249)]