16686950

素因数分解:

$2^1\times 5^2\times 7^4\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 60

約数和(自身を含む): 36469020

約数和(自身を除く): 19782070

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 139, 175, 245, 278, 343, 350, 490, 686, 695, 973, 1225, 1390, 1715, 1946, 2401, 2450, 3430, 3475, 4802, 4865, 6811, 6950, 8575, 9730, 12005, 13622, 17150, 24010, 24325, 34055, 47677, 48650, 60025, 68110, 95354, 120050, 170275, 238385, 333739, 340550, 476770, 667478, 1191925, 1668695, 2383850, 3337390, 8343475, 16686950]

約数ペア:

[(1, 16686950), (2, 8343475), (5, 3337390), (7, 2383850), (10, 1668695), (14, 1191925), (25, 667478), (35, 476770), (49, 340550), (50, 333739), (70, 238385), (98, 170275), (139, 120050), (175, 95354), (245, 68110), (278, 60025), (343, 48650), (350, 47677), (490, 34055), (686, 24325), (695, 24010), (973, 17150), (1225, 13622), (1390, 12005), (1715, 9730), (1946, 8575), (2401, 6950), (2450, 6811), (3430, 4865), (3475, 4802)]