2106020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{307}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 5174400

約数和(自身を除く): 3068380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 307, 343, 490, 614, 686, 980, 1228, 1372, 1535, 1715, 2149, 3070, 3430, 4298, 6140, 6860, 8596, 10745, 15043, 21490, 30086, 42980, 60172, 75215, 105301, 150430, 210602, 300860, 421204, 526505, 1053010, 2106020]

約数ペア:

[(1, 2106020), (2, 1053010), (4, 526505), (5, 421204), (7, 300860), (10, 210602), (14, 150430), (20, 105301), (28, 75215), (35, 60172), (49, 42980), (70, 30086), (98, 21490), (140, 15043), (196, 10745), (245, 8596), (307, 6860), (343, 6140), (490, 4298), (614, 3430), (686, 3070), (980, 2149), (1228, 1715), (1372, 1535)]