2091950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 4583040

約数和(自身を除く): 2491090

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 70, 86, 139, 175, 215, 278, 301, 350, 430, 602, 695, 973, 1075, 1390, 1505, 1946, 2150, 3010, 3475, 4865, 5977, 6950, 7525, 9730, 11954, 15050, 24325, 29885, 41839, 48650, 59770, 83678, 149425, 209195, 298850, 418390, 1045975, 2091950]

約数ペア:

[(1, 2091950), (2, 1045975), (5, 418390), (7, 298850), (10, 209195), (14, 149425), (25, 83678), (35, 59770), (43, 48650), (50, 41839), (70, 29885), (86, 24325), (139, 15050), (175, 11954), (215, 9730), (278, 7525), (301, 6950), (350, 5977), (430, 4865), (602, 3475), (695, 3010), (973, 2150), (1075, 1946), (1390, 1505)]