139805680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 372993984

約数和(自身を除く): 233188304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 421, 560, 593, 842, 1186, 1684, 2105, 2372, 2947, 2965, 3368, 4151, 4210, 4744, 5894, 5930, 6736, 8302, 8420, 9488, 11788, 11860, 14735, 16604, 16840, 20755, 23576, 23720, 29470, 33208, 33680, 41510, 47152, 47440, 58940, 66416, 83020, 117880, 166040, 235760, 249653, 332080, 499306, 998612, 1248265, 1747571, 1997224, 2496530, 3495142, 3994448, 4993060, 6990284, 8737855, 9986120, 13980568, 17475710, 19972240, 27961136, 34951420, 69902840, 139805680]

約数ペア:

[(1, 139805680), (2, 69902840), (4, 34951420), (5, 27961136), (7, 19972240), (8, 17475710), (10, 13980568), (14, 9986120), (16, 8737855), (20, 6990284), (28, 4993060), (35, 3994448), (40, 3495142), (56, 2496530), (70, 1997224), (80, 1747571), (112, 1248265), (140, 998612), (280, 499306), (421, 332080), (560, 249653), (593, 235760), (842, 166040), (1186, 117880), (1684, 83020), (2105, 66416), (2372, 58940), (2947, 47440), (2965, 47152), (3368, 41510), (4151, 33680), (4210, 33208), (4744, 29470), (5894, 23720), (5930, 23576), (6736, 20755), (8302, 16840), (8420, 16604), (9488, 14735), (11788, 11860)]